Erin, Frank and Danny work together within the system to find justice when a rape case's primary suspect is protected by diplomatic immunity.

Danny was about to apprehend a known drug dealer but a man who accompanied him starts shooting and even the dealer is hit. Danny goes to the hospital to talk to him but Linda won't let him. Later the shooter kills someone else. And when the dealer dies, Danny is upset with Linda. Danny asks Jamie to help his son with a soap box derby that the family has won since Frank joined. And a rival family tells them, they're going to get them. And Henry reveals to Frank why they've been winning. And Erin is promoted. On her first day, one of the prosecutors, tells her she prosecuting a case and the defendant is facing his third strike. So she looked at his previous convictions and learns that one of them might be questionable and Erin looks into it and the one who prosecuted it was the person who promoted her.