Chicago Fire S4E1 · Let It Burn

Chicago Fire

Season 4 · Episode 1 · Let It Burn · 42 min

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.