With the suspects still at large and conditions worsening underground, first responders race against the clock to reach the trapped victims, while the investigation into the assailants comes into focus.
Notes
Episode Specific Crossovers note
Crossover event with Chicago Fire (Part I) and Chicago Med (Part II)
Guest Cast
Cast Appearances
Episode Discussion
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This is one of the best crossover events. I was on the edge of my seat. Great show as always!