Christopher Wallinger

Jake and Gina attend their 20th high school reunion; Charles helps Rosa with her love life.

Flashbacks reveal how Jess, Cece and the guys each lost their virginity and how those experiences impact their current relationships.

When it appears one of their own shot an unarmed man on a Boston subway platform, the team must find the real killer while clearing their detective's name.

A woman is found murdered in a grisly scene reminiscent of a horror movie, leading the team to uncover a frightening "game" in which people pay to experience terror.

Katherine deals with the PR fallout of a serial killer driving a Payne. Jack tries to figure out his role in the company.

Jaded Det. Russ Agnew reluctantly partners with charming FBI Agent Milt Chamberlain to solve a drug-related double homicide, but while Milt investigates with the high-tech resources of the FBI, Russ prefers old-school police work and instinct.