Mercy (2)
| Episode Number | 10 |
|---|---|
| Season | 7 |
| Aired | 2020-01-08 |
| Overview | As they await news of Halstead's fate, the team turns their attention to an illegal arms dealer. Atwater discovers his brother is in Chicago and could be tied to the case. Voight must deal with Halstead's shooter. Burgess makes her decision. |
| Runtime | 40 minutes |
| Absolute Number | 138 |
| Finale Type |