

S04E01
Let It Burn
Aired October 13, 2015
Free, with no ads. Tick off what you watch and see what airs next.
Summary
Casey is placed in a dangerous situation while working undercover to bring down a trafficking ring being run out of Nesbitt's club. The squad's high turnover rate results in an unwelcome surprise for Severide. Dawson recognizes that her life is about to change. A new candidate makes an unusual first impression. Residents band together to protest a drug den in their neighborhood.
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