Let It Burn
| Episode Number | 1 |
|---|---|
| Season | 4 |
| Aired | 2015-10-13 |
| Overview | 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. |
| Runtime | 42 minutes |
| Absolute Number | 70 |
| Finale Type |