SEVERIDE STEPS IN

Severide steps in as ranking officer at 51.

Kidd fights to save her Girls on Fire program.

Cruz’s family is threatened when someone from Javi’s past resurfaces.

Air Date: Wednesday, May 1 (09:00PM – 10:00PM) on NBC.

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CHICAGO FIRE -- "The Wrong Guy" Episode 120010 -- Pictured: Car Crash -- (Photo by: Adrian S Burrows Sr/NBC)