Mr. Peck is arrested under suspicion of multiple homicides only to come up clean. Petrowski shows up late for Chloe's fifth birthday causing more discord in his relationship with Rebecca and Malik's older brother Aamir clues Petrowski in on an important detail about the night Angela was killed.

Munky identifies the murder weapon used on Corbin Burke, triggering a memory from Angela's Past. With his hands tied, Petrowski is unable to use this newly discovered lead against Peck and a late night surveillance proves pointless for the frustrated Detective.