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S6, E21: Lt. Severide is shocked when Rene Royce (guest star Sarah Shahi) 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 (guest star Andy John Kalkounos) over coaching their son's basketball team.
Drama · May 3, 2018 · 38 min