Taylor Kinney Taylor Kinney

Firehouse 51 is still reeling from the loss of one of its own on Chicago Fire, no one more so than Severide (Taylor Kinney).

Postmortem: Chicago Fire boss on the "tough decision" behind the big death and the fallout to come

But after running away from his grief, and his job, for several weeks, Severide is back on duty in this exclusive sneak peek from Tuesday's episode (10/9c, NBC). But the question is: Will he really be ready to step up when disaster strikes after what happened?

Check out the exclusive clip below to find out:

Chicago Fire airs Tuesdays at 10/9c on NBC.