Hanging On is the fifth episode of the first season of Chicago Fire. It aired on NBC on November 7, 2012.


Casey fights back against Det. Voight and ends up dealing with the repercussions - being threatened repeatedly to drop his case by Voight.

Dawson faces disciplinary action due to on the job conduct, and how she dealt with a patient.

Severide's arm, injured in the flash fire in "Pilot", fails during a rescue on a roof.


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