Greg and Andy consider going on a diet. Simone considers his feelings for Diane. A body in a trunk leads to a gun chase and the hunt for the killer. The squad greet a new PAA.

Medavoy gets a call from Abby, saying her girlfriend has been killed. He, Martinez and Kirkendall hunt the killer. Simone, Sipowicz and Russell are called to a burnt out car which has a body inside.