Violet has to adapt to a new way of life, Sheldon tries to deal with his illness and Charlotte is given some unwelcome news.

Addison and her family at the practice face a whole new set of challenges as Addisons decides she wants a baby, with or without Sam. Pete's health scare puts a strain on his marriage to Violet, Charlotte's past comes back to haunt her and Amelia succumbs to her destructive habits. Plus, with the arrival of an attractive new doctor and the discovery of Cooper's illegitmate son, the doctor's relationships are pushed to the limit.

Join the Oceanside Wellness Group family as they try to balance work, friendship and love while they lean on each other for the help and support they need. As Pete and Violet prepare for their wedding day, disagreements at the clinic put a strain on Addison and Sam's relationship. Meanwhile, Charlotte and Cooper struggle in the aftermath of a traumatic personal event, and Derek's sister, Amelia, returns from Seattle with a destructive secret. It's a season of change and new hope for Dr. Addison Montgomery and her colleagues.