A Dark Day (I)
Lt. Casey and Dawson volunteer to help at a charity run at Chicago Medical when a massive explosion sends Chicago into chaos. With one of their own missing in the blast, the firehouse is tested like never before. The crossover continues on Chicago P.D. S01E12 8:30 PM (II)
Writing:
Stars:
- Michael Brandt
- Derek Haas
- Jessica D. Johnson
Stars: