Chicago Fire: Season 6, Episode 21

6 - 21: The Unrivaled Standard

Lt. Severide is shocked when Rene Royce resurfaces at the firehouse. Casey comes up with a plan to help Chief Boden in his latest pursuit. Kidd regrets a decision she made regarding Severide. Herrmann doesn't see eye-to-eye with Lt. Colannino over coaching their son's basketball team.