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.