When new evidence appears in the internal affairs investigation that will clear Chief Boden, a twist puts him right back in the thick of it; Brett and Chili try to save a stabbing victim from bleeding to death.
Election Day. The race is close, and while the candidates campaign, Kane and Stone must do their part to turn the gears of the political machine. Emma's world is turned upside-down while Meredith must go to great lengths to prove her allegiance to Kane.
Teresa Colvin, the city's first female superintendent, petitions for a corruption task force to investigate an entrepreneur-turned-politician; Colvin's ex-partner, Jarek, investigates a suspicious murder with his new partner, Caleb.