The doctors band together to save Pete's life after he suffers a heart attach, and Addison's mystery man reapperas in a most surprising way.
When the oceanside doctors interview candidates for Naomi's position, Addison's team can't understand her hesitation to hire Jake Reilly.
Pete and Violet prepare for their wedding but Cooper may have to intervene when emotions of the future run high. Naomi juggles the burden of caring for her daughter and newborn granddaughter and worries about Dink's ability to parent.
Violet and Cooper make amendments to their friendship in order to please others; Pete and Cooper get in an argument involving marijuana use by a patient. Addison is conflicted about going public with her new romance.
The man responsible for endangering Maya's life and killing Dell shows up at Oceanside Wellness with a heart condition and Sam struggles with his responsibility to help; and news of Addison's new romance doesn't go over well.
Emotions run high at the practice when Dell's orphaned daughter, Betsey, shows up. Amelia and Pete can't agree about a risky surgery for a pregnant woman with chronic pain.
Much to her displeasure, Addison is teamed with a new oncologist, Dr. Rodriguez, to treat a newborn baby with a malignant tumor.
Addison and Sam disagree over the treatment and safety of a comatose patient who has become pregnant, Violet crosses some boundaries with Pete's family as she gets caught up in the fray of Lucas's first Halloween.
After Pete discovers Charlotte in the halls of the hospital bloodied and bruised, he and their fellow doctors come to her aid, but only Addison learns the truth from Charlotte that she was sexually assaulted.
Charlotte chooses to suffer in silence as she tries to deal with the emotional aftermath of the attack, as Addison struggles to keep the events of that night a secret, while Cooper and the doctors of Oceanside Wellness fight their own demons arising from the assault.
Despite how Charlotte is choosing to deal with the aftermath of her sexual assault, her fellow doctors think they know what's best, teaming up to pursue criminal charges against her attacker.
When the District Attorney's office delivers bad news to Charlotte and Cooper about her sexual assault case, Cooper is outraged and Charlotte seems numb, as a case involving a pregnant drug addict, who wants a child of her own with Sam.
Addison's mother, Bizzy, aggressively demands her daughter do whatever it takes to save her partner from dying - including working with Dr. Rodriguez once again.
Addison plans Bizzy and Susan's wedding while trying to keep her distance from the overly flirtatious Dr. Rodriquez. Sheldon refers Charlotte to his mentor and friend for psychiatric help.
Charlotte's attacker, Lee Henry arrives at St. Ambrose Hospital, injured by his girlfriend and in need of urgent care, and Sam and Charlotte must decide whether or not to save his life. Susan's health takes a turn for the worse.
After tragedy strikes the Montgomery family, Addison goes to Connecticut and Sam and her friends decide to join her. Sheldon and Violet clash when Sheldon's death row patient confesses to a crime that his wife believes he didn't commit.
Charlotte and Cooper look to forgive each another after revealing secrets during couples therapy, Violets seeks the forgiveness and approval of her fellow doctors after they learn her novel will make all of their personal lives public.
The doctors of Oceanside clash when an expectant mother and her husband, desperate to have children, come to them in order to harvest the eggs of their unborn, ill-fated baby.
At the launch party for Violet's book, Sheldon falls for the smart, Dr. Marla Phillips. Addison's and Pete's patient is caught in a love triangle with her brother-in-law and sister, for whom she is a surrogate.
When Pete's brother, Adam, brings their sick mother for a consult, Pete discovers her illness may be his brother's fault. In the wake of her book's success, Violets walks in on Sheldon just as he's about to take her archenemy on a date.
Katie threatens to take legal action against Violet for "breach of confidentiality," and although Violet feels that she hasn't done anything wrong, she soon realizes she'll have to defend her actions to more people than just Katie.
The day has arrived for Cooper and Charlotte to marry, but not everyone is in a celebratory mood, leading the couple to second-guess their wedding plans.
Naomi makes a life changing decision for her family, and a struggling Amelia slips further away from sobriety.
Addison has a new admirer in town who offers her a very tempting proposition. Meanwhile, Charlotte is assigned to a case that hits very close to home.
After Pete discovers Violet dying on the floor of her home, having barely survived a violent attack from her patient, Katie, he rushes her to the hospital where Addison and Naomi fight to save her life.
Violet is physically recovering from her violent attack, but the emotional trauma she suffers from isn't going away, despite the efforts of Pete and her friends to help. Addison and Naomi try to mend their tension-filled relationship.
Miranda Bailey brings a kidney transplant patient to Los Angeles. Meanwhile the consequences of Addison's emotional affair with Noah catch up with her, and Sheldon and Pete finally discover who the father of Violet's baby is.
Addison, Sam and Cooper treat the sick child of a homeless teen mother they met while volunteering. Violet has trouble relating to her baby when her feelings about her attack resurface during counseling of a rape victim who is pregnant.
Addison must deal with the return of Naomi s former patients, Zoe and Amelia, whose embryos were accidentally switched, and a serious complication that may end up jeopardizing both fetuses. Meanwhile the time has come for Katie's trial.
The doctors venture into controversial territory when an unexpected new hire at Pacific Wellcare causes Naomi to struggle with the idea of genetically designing babies and Violet decides to try electric shock therapy on a patient.
Addison and Sam go for a hike in Malibu, and must perform urgent field care when they stumble upon a couple, trapped in their car after an accident. Charlotte, Cooper and Violet treat a newlywed who has taken too much Viagra.
Addison is shaken by the arrival of her father to Los Angeles, Cooper is arrested when he refuses to cooperate in a case involving a longtime patient, and Pete fights to keep a patient alive long enough for him to meet his new daughter.
Addison performs a complex in utero surgery, proving not only her talents to her father but also finally giving them some common ground. Meanwhile Sam and Naomi deal with their own family crisis.
A terrible explosion at Dell's house lands Betsey and Heather in the hospital, and everyone is pushed to the limit trying to save their lives. Tensions rise even higher between Addison and The Captain.
Addison and Mark head back to Ocean Wellness to help his pregnant daughter. Naomi and Dell can't agree how to raise their children together and Violet and Cooper can't agree on patient care.
Maya shocks Sam and Naomi, while Pete and Fife disagree on patient care.
Addison and Cooper are counseling a couple who must pick a child to save with their newborn's cord blood. Meanwhile Dink wants to marry Maya.
Sam convinces Violet to help plan Maya's wedding when Naomi refuses to take part, tensions between Addison and Sam rise.
As Violet continues to help Sam with Maya's wedding, Naomi refuses to take part as she works with Addison and Pete to save the life of a 25-week-old premature baby. Meanwhile, Cooper suspects that Charlotte's new boyfriend is abusing pills.
Addison, Pete, and Sam work together to handle the complex case of a soon-to-be father who threatens his future family when he contracts tuberculosis.
Addison clashes with Sam's new girlfriend, Vanessa, over treatment for a patient whose life - and those of her unborn triplets - hangs in the balance.
A husband's decision to pull the plug on his pregnant wife is overruled by a judge, forcing the hospital to keep her on life support until the baby is born and can survive
A team of neurosurgeons trying to save Addison's comatose patient, Kayla, includes Derek Shepherd's younger sister, Amelia, whose take on the case sparks friction. Meanwhile, Cooper and Charlotte continue to be unable to work together.
Violet returns home and to the practice. Pete and Addison have mixed feelings about Violet's desire to reconnect with Lucas.
Violet files for joint custody of Lucas but Pete hires an attorney and fights back, dragging everyone at the practice into the trial.
Naomi begs Fife to use his still experimental treatment to help William's advanced ALS. Violet and Amelia treat a woman with a brain tumor, while Sheldon decides to vie for Charlotte's affections.
Maya and her unborn baby are fighting for their lives on the operating table, and Addison, Amelia and Fife try everything humanly possible to save them. Meanwhile, the staff's world gets rocked by an unexpected death.
The practice finds itself debating major ethical questions this week as the doctors of Oceanside Wellness take on patients with serious issues.
Addison and Sam work to bring the practice out of bankruptcy, as all of the doctors look for additional clients and new income streams. Violet's friendship with Cooper is on the brink.
As Addison's relationship with Kevin heats up, Charlotte tries to lure her to St Ambrose Hospital with promises of surgeries. Meanwhile, Sam questions his ability to keep Oceanside Wellness afloat.
Sam and Naomi are against each other to lead the practice with unexpected results. Addison treats a girl trying to hide her past while Cooper has a dilemma of his own affecting his professional career.
Violet must choose whether or not to break the law for a friend, while Addison's choices as leader of the practice may place Oceanside in peril.
Addison treats two pregnant women who unwittingly share the same husband. Violet confronts Charlotte about her liaison with Cooper and Dell reveals a special woman in his life.
Addison's brother makes a surprise visit, causing trouble for her, Sam and Naomi. Meg comes back to try and make it work with Pete and a patient accused of a crime angers Violet and Dell.
Addison and Charlotte work together to save the life of a pregnant woman in a coma and her unborn child. Meg clashes with members of the Oceanside staff when she begins seeing patients there.
Charlotte's rival practice, Pacific Wellcare, opens its doors and the competition with Oceanside Wellness begins. Sam and Pete steal one of their clients.
Pete's girlfriend, Meg, returns to Los Angeles and notices that Pete and Violet are considerably closer. Kevin questions the direction he and Addison are headed in as a couple.
A measles outbreak forces Oceanside into quarantine lockdown, while Naomi pressures Addison into helping her Pacific Wellcare rival, Wyatt, on a case.
Addison is attracted to Wyatt, the rival practice's brash doctor, while Violet secretly dates Pete and Sheldon at the same time, and Cooper gets closer to Charlotte in a family emergency.
Violet discovers she's pregnant but doesn't know who's the father. Addison feels guilty after her kiss with Wyatt. Sam and Pete are ask by a friend to help him die, while Charlotte proposes to Cooper.
Archer causes problems between Addison and Naomi, after he moves to LA to work at Pacific Wellcare. Meanwhile, Cooper tries to help Violet talk to both Pete and Sheldon about her pregnancy.
When Archer suffers a seizure, Addison and Naomi search for a cause and a cure. Violet tells Sheldon and Pete about the pregnancy, while Cooper is left to take care of a seven year-old abandoned patient.
Bailey and Naomi try to discover why Sam has a sudden asthma attack while Addison helps Derek save the life of his pregnant patient.
Archer and Naomi grow romantically closer, while Addison suspects her brother is up to his old tricks again.
Addison starts flirting with a colleague at St Ambrose Hospital. Sheldon and Pete try to convince Violet to take a paternity test to see who the father is.
Dell is dealing with the absence of his daughter since his ex moved for a new job. Cooper has to give devasting news to a cancer patient.
Addison is having a difficult time dealing with her feelings for Dr Noah and Violet starts getting jealous when she finds out that Pete is going out with a single mother.
Sam starts to reconsider his friendship with Naomi and Addison tries to save a pregnant woman with heart problems.
Violet has to choose between Pete and Sheldon. Dell gets concerned for his daughter when Heather comes back into town all drugged up.
Addison resigns from Seattle Grace and heads to the Oceanside Wellness Group in Los Angeles to accept the gynecology position.
Two couples are involved in an unfortunate baby switch and the doctors must handle and solve it. Sam treats a client that may upset Naomi.
Addison and Pete treat a recently married couple who are having sexual problems. Cooper is trying to figure out why four siblings are all suffering from the same mysterious illness.
Addison invites her fellow Oceanside Wellness co workers to her house for a get together, but no one RSVPs. The wife of Violet's ex-boyfriend visits the wellness center for medical treatment.
Addison starts to have erotic dreams concerning Pete and helps Maya when she comes to her claiming to have Gonorrhea.
Pete treats Charlotte's insomnia, Naomi goes on her first date since college and a patient asks Addison to conceal her fertility from her husband. When trying to help a patient caught between Sam and Cooper, Dell's secret is revealed.
While Sam answers a dangerous house call, love or at least sex is in the air at Oceanside Wellness as Pete and Addison decide to take their relationship to the next level.
Cooper returns to the online dating game with surprising results, Addison goes on a date with one of Violet's patients, and Naomi and Sam make a house call at a convent.
The oceanside wellness center takes on the fertility of one of its previous couples, Addison is conflicted about her status in the dating world and Cooper begins a secret affair.
