In light of a surprising discovery about the Auxiliary Deputy program, the investigation puts the Sheriff's Department under further scrutiny.
Preston and Ashe discover a possible murder weapon for the Joey Campbell case and are feel pressured to use it to find the identity of Joey's killer.
Another team is tasked with investigating the case, but Preston remains dedicated to finding out the truth as a witness is placed in potential danger.
The tension heats up in Gate Station as a violent riot erupts between the citizens and the police. Meanwhile, Ashe and Preston confront Governor Eamons regarding their latest suspicions in Joey's murder, Ashe takes matters into her own hands when it comes to Javier and Preston sits down with Beck.
Cory reveals some key details about the night Joey Campbell was murdered, allowing Preston and Ashe to zero in on the people whom they believe were involved in his death. Their list of suspects grows significantly when they realize a long-standing program in place at the Sheriff's Department may have taken some liberties in the town of Gate Station.
Ashe and Preston examine evidence in both cases and go on a dangerous manhunt for credible witnesses. The political implications of both cases begin to rise and Eamons' biggest competition seeks out Jesse'e mother.