On Chicago PD Season 1 Episode 15, Lindsay's past grows more and more shady.
Elsewhere, Dawson is back on the job and an old friend makes a visit.
Moreover, Atwater begins settling into his new role in the unit just as one of their own is taken away.
Sound exciting? Be sure to watch Chicago PD online right here!
Nick McHatton is a TV Fanatic Staff Writer. Follow him on Twitter.Tags: Chicago PD