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 and 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.
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 tumour.
Addison and Sam disagree over the treatment and safety of a comatose patient who has become pregnant, and Violet crosses some boundaries with Pete's family as she gets caught up in the fray of Lucas's first Halloween.
Kate Walsh
Dr. Addison Montgomery
Benjamin Bratt
Dr. Jake Reilly
Kadee Strickland
Dr. Charlotte King
Paul Adelstein
Dr. Cooper Freedman
Brian Benben
Dr. Sheldon Wallace