When a young man is found dead of an apparent overdose, Dixon fiercely pursues a homicide investigation as an old unsolved case comes back to haunt her. Price and Maroun risk putting a witness in harm's way to expose their suspect and reveal the monster underneath.

When the CFO of a Fortune 500 company is found strangled in her home, Bernard and Cosgrove work to connect multiple dead ends to find her killer. The prosecution is faced with an uphill battle as McCoy and Price butt heads over a choice that could cost them the case.