Leslie Hardy

When a gambling house opens in Lexington, Jeremy can't resist getting himself a piece of the action. However, his beginner's luck quickly runs out when a card shark named Dugan cleans him out. And when Dugan discovers that he's been shortchanged $100 on his winnings, Jeremy becomes the prime suspect.

Nash and Joe recover $3 million from a crime scene, but Joe is accused by the suspect of stealing another $3 million. Now the suspect's boss is looking for his money, and new head of the SIU Rick Bettina launches an investigation on Joe. Harvey begins a romance with a woman he put in jail years earlier.

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 investigate several brutal drug-related gangland murders and follow a complicated trail of clues to a surprising suspect -- Bruce Sutcliffe, a multi-millionaire from a well-respected San Francisco family. When Nash discovers that Sutcliffe has been a major drug kingpin for years, he risks his job and his life to expose the magnate's secret life. Meanwhile, Evan and Bettina go undercover in a transgender beauty pageant to trap a blackmailing murderess who pretends to be a man impersonating a woman.

The SIU is disbanded by MCD: Nash and Joe are assigned to Park Detail, Harvey to Homicide, Evan to Traffic, and Caitlin to Vice. Still, Nash manages to solve a murder involving the Head of MCD's daughter and a drug dealer. Evan and Cassidy announce a wedding date; best man Harvey throws a bachelor party, but finds out the stripper is Anna. Nash tells Caitlin he loves her, but she accepts a job in Boston.