
Detective Holden forces John to testify against the gang, drawing its ire; Samantha's past threatens her marriage.
The drama about a disillusioned ER doctor opens with Ellison saving the life of a young boy when he intervenes in a drive-by shooting and ends up in the middle of a gang war.
Ellison scrambles to locate Antoine when the boy disappears from his bed at the surgical center; and Polk tries to convince a patient to lie about her medical condition in order to keep John out of their supervisors' crosshairs.

John visits Antoine's father, the leader of the VCC gang, in prison, and tries to disentangle himself from his responsibilities with Antoine. Meanwhile, things get out of control when Gretchen confronts Hillary's abusive boyfriend at his home.