Amelia, now sober for more than a year and on the mend emotionally, goes on a series of disastrous blind dates set up by the other doctors at the practice.

Addison attends Henry’s court date and realizes that the judge still has some concerns about Jake’s past, Sheldon introduces Miranda to his friends, and Cooper’s efforts to secure a dream house are put on hold when Charlotte goes into labor.

Charlotte continues to run the hospital from her bed; Mason starts acting out in school.

Addison tries to fix the financial troubles at Oceanside Wellness, but ends up doing more harm than good. Meanwhile, Violet's friend asks her to break the law to help her while Maya hopes that Sam and Naomi are getting back together for good.

Addison sends a pregnant woman to St. Ambrose for help from Noah after she experiences heart complications. Meanwhile, Sam begins to rethink his friendship with Naomi; Pete and Lisa's relationship becomes increasingly complex; and Sheldon takes a stand.

When Naomi refuses to help plan Maya's wedding, Sam convinces Violet to help her. Meanwhile the tension between Addison and Sam deepens when they treat a suicidal patient and Cooper and Pete treat a girl with a questionable bite mark.

Cooper receives the surprise of his life when a woman from his past arrives at the practice; Addison consults her patient, Jodi, who is eight and half months pregnant and suffering from severe memory loss after a traumatic car accident; and Sheldon and Violet clash when their patient, Jodi's husband, Zach, considers leaving his wife and taking the baby with him.

Addison begins in vitro fertilization treatments with Jake's help, unbeknownst to Sam, Amelia is deeply conflicted when her terminally-ill friend, Michelle, asks her assistance in her suicide, and Sam and Violet contend with a patient who refuses his anti-psychotic medication.

Amelia makes the hard decision to enter a rehab facility, and finds strength through an 18 year-old girl, as they both go through the painful detox process. Meanwhile, Cooper’s strengthening bond with his son is tested by his allegiance to a patient in need, Pete and Violet’s marriage reaches a tipping point, and Addison collapses from her rigorous fertility treatments.

A reality show centered around Sam sheds some light on issues in his colleagues' personal lives. Meanwhile, Sam's mother seeks his help after her boss falls ill; and the search continues for a girl who went missing from St. Ambros.

Sheldon fears the worst when a little girl goes missing from the ER; Addison and Jake have a disagreement about one of his patients; and a new doctor joins the team at Saint Ambrose. Meanwhile, Stephanie questions Sam about his past with Addison.

Addison resigns from Seattle Grace, and heads to the Oceanside Wellness Group in LA where she was offered a job. Although, it seems that Naomi didn't consult the other doctors when hiring her. A father is frustrated with his daughter when she hides the fact that she's pregnant. When complications arise, Addison, Pete and Dell work together to make sure that the baby and the mother survive, as pain-free as possible. Jenny, a woman who has been seeing Violet, starts counting the tiles at a department store. To investigate what triggered it, Cooper and Paul, a shop assistant, assist Violet. Meanwhile, when a man dies of a stroke, Naomi, Sam and Charlotte argue over who should get his sperm - his wife or his mistress.

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. Maya tells Naomi she's been hoping her and Sam would divorce since she was in the third grade. Meanwhile, Violet is trying to convince a patient to leave her husband, even though, she is having trouble letting go of her ex-boyfriend who is now married.

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.

Addison and Charlotte fight to save the lives of a woman in a coma and her unborn child; members of the Oceanside staff clash with Meg; when a patient is suspected of murdering his wife, Violet seeks Kevin's advice.

Pacific Wellcare, Charlotte's practice opens, and the competition with Oceanside Wellness starts; Dell suggests that an in-house adoption program should be created.

Meg returns to Los Angeles and notices that Violet and Pete have grown closer; Kevin questions where he and Addison are headed as a couple; Cooper treats a young boy with a mysterious past.

Addison's brother, Archer, moves to Los Angeles to work at Pacific Wellcare; Cooper encourages Violet to discuss her pregnancy with Pete and Sheldon.

After her open-ended escape to Costa Rica, Violet has finally returned home and to the practice. Everyone treads a little lightly around her, especially Pete and Addison who have mixed feelings about Violet's desire to reconnect with Lucas. Meanwhile Amelia butts into Sam's personal life, pointing out that he can mend hearts in the OR but can't seem to do that for himself; and Sheldon encourages Charlotte to reconcile with Cooper, while Cooper deals with a young patient who eats everything in sight.

Cooper, Sam, Amelia and Charlotte try to save Pete's life after his heart attack; Addison's desire to have a child leads to a surprising encounter; Sheldon hopes to help Amelia with her alcohol addiction.

Charlotte's painful memories of a horrible tragedy are triggered as Amelia continues her downward spiral; Addison takes one step closer to motherhood when she finally chooses a sperm donor; Cooper faces a difficult decision when he realizes his patient's parents have been drugging their son in an effort to control his supposed ADHD; and Pete's trust issues prevent him from repairing his fragile relationship with Violet.

When a patient's partner and father are heatedly divided on his health care, Pete makes a decision that impacts everyone, including himself; meanwhile, Jake offers strength and experience to Amelia when he suspects she's being tempted to substance abuse, Sheldon and Violet treat a family concerned about the father's new sexual appetite, and as baby Henry draws Addison and Sam closer, they struggle to define their relationship.

Sylvie, a 60-year-old who is going condo-hunting with her boyfriend, is worried that he may only be with her for her cooking. An injured soccer player named Michael is brought in by his coach. After some analyzation, Michael reveals that he thinks he is gay, but doesn't want to tell his homophobic father. Catherine, the mother of a teenager, worries when her daughter won't get out of bed or eat. After the daughter runs away, Catherine tries to track her down. Brian, a 12-year-old, punches a teen for kissing his girlfriend. Later, the teen goes missing. A mother of a toddler goes to a lawyer when she thinks the cops are after her as they believe she knows where her husband is. When a boy asks his parents to fund him to go to rehab - his mothers dismay. A man that can't stop his hands from shaking comes in, and the doctors figure out what's wrong with him.

Watch Video A flirting patient named Andrea causes a male nurse to feel uncomfortable, even though he feels the connection. Later, the same male nurse must treat a woman who is not at all pleased by the fact that she's being treated by a man. He also helps treat a runner named Nicole. A very young girl drops by the clinic because she thinks she may have an STD.

Pete and Violet prepare for their wedding day; things take a surprising turn with Addison and Sam; despite disagreements, the doctors come together to mourn the loss of Dell.