During the search for a pedophile who raped a 10-year-old, a snitch offers Briscoe a chance to avenge his daughter's death. Meanwhile, Van Buren learns that her job is in jeopardy; McCoy is ordered to appear before a disciplinary committee because of his conduct in a DUI case; and the increasingly political Schiff worries that the rape case may adversely impact his reelection bid.

Detectives discover a shocking twist involving unlikely suspects when they investigate the brutal beating of a black man dumped near the highway.

A frustrating investigation of a purse-snatching victim who was fatally shot leads to tension between Briscoe and Green over age and racial innuendoes. Briscoe notices his partner has developed a dangerous habit.