Steve Austin

When Nash decides to put Caitlin and Jake Cage undercover at a wedding to capturea felon, Caitlin has to give Jake etiquette lessons; Joe teaches a detective class and realizes a student is committing crimes based on his stories.

When the Police Chief is murdered, Nash sets out to find the one responsible, but his efforts are hindered by a government agent who wants to arrest the one Nash seeks for something she feels is more important than murder.

Nash and Joe are hired to protect a celebrity chimp from animal rights activists helped by Jake Cage who wants to free the chimp and return it to the wild; Evan is suspended from the force.

Nash goes undercover in Las Vegas to track down the Chief of Police killer and$500 million in missing drug money; Caitlin bids adieu to Nash; and Cassidy reveals her future plans to Evan.

Nash and company, along with Jake Cage, catch three escaped convicts to save the SIU. Harvey has fathered a child with Anna; Evan cheats on Cassidy; Nash and Caitlin finally consummate their relationship.

Nash and Joe are plunged into the underground world of steroid-crazed body builders when they investigate the murders of three body builders. Nash and Caitlin struggle to define their relationship as Cassidy struggles to get her feet back on the ground after her accident.