The team goes after a gang that stole the Hope Diamond along with other priceless gems. While the stones are in the possesion of common thief Michael 'Mick' Vincent (Frank John Hughes), Alex posses as a buyer for a criminal dealer. Elsewhere, Jake has nightmares about testifying against crime boss Quito Real (Ving Rhames); ""Sonny"" Walker (William Forsythe) makes a deal that could get him out of prison, thanks to his girlfriend Carly (Angie Everhart); and Carlos Cortez (Steven Bauer) shows his feelings for Alex.
Jake is dispatched to infiltrate Quito Real's (Ving Rhames) organization, and Alex to infiltrate the equally notorious organization of Benny Li (Stephen Chang). Quito is looking to expand his organization by teaming with Benny Li (guest star Stephen Chang). Elsewhere, unknown to the team, Carlos Cortez (Steven Bauer) is released from prison and the incarcerated ""Sonny"" Walker (William Forsythe) plots his own return.
Jake and Alex go undercover to crack a group of thieves who stole a multi-million dollar heroin stash from a police lockup. ""Sonny"" Walker's (William Forsythe) girlfriend (Angie Everhart) (see previous episode) seeks to continue his operation and confronts Cortez (Steven Bauer), an imprisoned associate who was Alex's lover before she busted him. Alex is torn between her feelings for Cortez and her team leader, Keller (Grant Show), who also has romantic feelings for her. Oded Fehr joins cast.