Chicago P.D.

Season 4, Episode 18

Episode Title: Little Bit of Light

Air Date: 2017-03-29

Overview:

When Chicago's "Night Crawler" Bobby Trent is murdered over a single piece of mysterious footage, Intelligence must investigate one of Chicago's wealthiest families. Meanwhile, Burgess's sister Nicole arrives at the District for a visit, and presents an icy attitude towards Ruzek.