Grace works to escape; Ethan reconnects with his father; gang warfare spills into the suburbs; and Ethan investigates Marty's leak at a party, where he meets Marlon Dinard, who is not what he seems.

Harper is hit hard by Lobo's death; Ethan tells Marty the real reason he's in Chicago; Talia causes problems for Marlon; Grace and Ethan spy on Marty and the General; and Grace follows a dangerous lead.