Michael Patrick Thornton

Addison's father's arrives in Los Angeles, which rattles her; after refusing to cooperate in a case involving a longtime patient, Cooper is arrested; Pete fights to keep a terminally ill patient alive long enough for him to meet his new daughter.

Henry teams up with a Marine veteran to fight for legislation that helps Veterans Affairs provide better mental health care, but he encounters surprising resistance from Vice President Carlos Morejon. Also, Senator Hanson (Wentworth Miller) questions Daisy about an arrest in her past.

Naomi struggles with the idea of genetically designing babies; Violet suddenly decides to try electric shock therapy on a patient.

Maya's announcement shocks Sam and Naomi; Pete challenges Fife on a patient with a cutting-edge bionic arm.

The doctors launch an investigation after Betsey's second emergency room visit; Naomi makes a life-changing decision; Amelia continues to struggle with sobriety.

Cooper and Charlotte second-guess their wedding plans; an investigator visits the practice to question the doctors about Violet's case.