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 makes a sudden decision to try electric shock therapy on a patient. Meanwhile Addison somehow finds herself alone and with a cat.

Addison is shaken by the unwelcome 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 terminally ill patient alive long enough for him to meet his new daughter.