Rick Bettina returns as the head of the S.I.U. when Joe is accused of stealing 3 million dollars from a suspect. Harvey has a torrid affair with a woman he once arrested.

A million dollar bounty on Nash's head triggers an onslaught of attacks by a series of ultimate fighters. Michelle meets "Mr. Right" while on a stakeout trying to track down an Internet rapist. Nash is convinced Cassidy's new boyfriend is gay.