Joe and his crew set up a sting to catch a woman (Annabella Sciorra) who meets men through dating services, gets them to invest in phony stock schemes and then murders them, with each death appearing to be an accident. Harry: Robert Mailhouse. Carl: John Pyper-Ferguson. Racicot: Patrick Cupo. Mike: Jeffrey Dean Morgan.
Joe wants to bring down a mob boss who's hiding out in Ireland, so Lily infiltrates the mobster's family in L.A. Soon, the hood's son falls for her and proposes. Lily then fears that she might have to actually marry the guy before the sting operation can be completed. Lily: Anna Belknap. Marcy: Tanya Wright.
Joe works with an insurance investigator to set up a sting to catch a horse trainer who kills racehorses for their owners and then collects a percentage of the insurance claim. The setup puts Joe back in touch with a former colleague who worked for him for six years, but finally found the job too demanding. Mike: Jeffrey Dean Morgan. Harley: Steve Railsback. Martha: Brynn Thayer. Rhonda: Katy Selverstone. Elaine: Eva Frajko.
Joe and his crew go undercover to investigate a senator who is suspected of murdering a female intern (Erin Torpey) with whom he was having an affair. The probe begins when the senator's attorney arrives in L.A. to meet with the dead girl's roommate who wants cash in order to keep quiet about the illicit relationship. Naomi: Mary Kay Place. Lily: Anna Belknap. Heather: Lola Glaudini.
Lily goes undercover as an Irish nanny to investigate the disappearance of an au pair from the home of a widower with a troubled teen and a 5-year-old son, who may have witnessed a crime. In another case, Joe poses as a small-time gambler to catch a bookie suspected in two murders. Mark:Taylor Nichols. Sean: Fred Meyers. Dylan: David Matthew Weiss. Linares: Rolando Molina. Mariella: Stana Katic. Kramer: David Lee Smith. Penny: Julie Simon. Singer: Zachary Throne. Hoelscher: John Pyper-Ferguson.
Darnell and Lily go undercover to bring down an international chop-shop operation, but everything starts going south when two police officers are gunned down by one of the suspects. Lily: Anna Belknap. Darnell: Hill Harper.
Elena enters a rehab clinic in order to find out where $5 million in missing DEA money is located; Darnell poses as a hit man to thwart a murder attempt, in a case involving a nationwide drug ring. Elena: Natalia Novikova. Darnell: Hill Harper.
Joe sets up a sting to catch a trio of jewelry thieves who rob couriers carrying expensive diamonds, emeralds and other precious stones. Back at home, Joe's brother tires of his sibling's constant interference in his life. Darnell: Hill Harper. Heather: Lola Glaudini.
Joe and his crew pose as filmmakers involved in the adult-entertainment industry to lure a porn-obsessed man suspected of murdering his wife for insurance money. Also, an acquaintance asks Joe to help find her missing 14-year-old sister. Lopez: Francesco Quinn. Alex: James Wellington. Roger: Bill Sage. Lucy: Ingrid Kavelaars. Carlita: Kamala Lopez-Dawson. George: Currie Graham. Phil: Paul Rae. Tia: Sybil Azur. Secretary: Margaret Travolta.
Joe must investigate Andy (Lou Diamond Phillips), a fellow FBI handler who's also one of his best friends, after a city councilwoman is murdered and the chief suspect is an informant under Andy's direction. Marcy: Tanya Wright. Lily: Anna Belknap. Darnell: Hill Harper.
A confidential informant who makes her living turning tricks comes to Joe with information that could nail two corporate wrongdoers, one of whom is contemplating having the other murdered. Heather (Lola Glaudini) is working the case, which requires her to visit Las Vegas in the guise of a prostitute's lesbian lover who used to date Joe's bogus hit man. Meanwhile, Darnell and Lily are involved in a sting to catch a thief stealing national treasures. The bait they use is a valuable 17th-century map. Marty: Ed O'Ross.
Joe investigates the suspicious shooting death of an FBI undercover agent he loaned out to an L.A. police task force looking into gun-buying among gang members. But Joe learns that the agent was also gathering evidence against some task-force members for civil-rights violations and suspects his friend may have been murdered by dirty cops. Eddie: Shay Roundtree. Mirante: Brian Catalano. Sadler: Rod McLachlan. Thomas: Dan Martin. Freddie: Anthony Chisholm. Henke: Joe Sabatino.
Heather poses as a high-class call girl to catch a pimp who murders the wealthy johns his prostitutes pick up; Darnell and Lily try to nab a bar owner involved in an illegal cigarette-selling scheme by posing as a fighting couple. Gerard: Peter Weller. Roy: Ken Weiler. Jackie: Heather McComb. Roberto: Andrew Carrillo. Miguel: Juan Garcia. Ernie: Greg Collins. Alex: John Berg. Camille: Mary Mara. Nestor: Sal Lopez.
Joe goes undercover in order to learn about a bank heist being planned by an international criminal. Things get complicated when Joe's old flame shows up and wants to move in with him. Lily: Anna Belknap. Marcy: Tanya Wright. Darnell: Hill Harper.
Darnell and Heather go undercover to infiltrate a band of bank robbers making its way across the U.S.; Lily poses as a waitress to get the goods on a dirty judge in a case that gets personal for Joe. Jackson: Christian Svensson. Foster: Andre Vippolis. Leo: Andre Mayers. Moe: Branden Williams. Fred: Bill Lee Brown. Richard: Art LaFleur. Judge Frame: Kyle Colerider-Krugh. John: Paul Messinger. Ramona: Erica Munoz.
Joe trains a rookie operative to track a drug dealer, helps a woman agent play the role of a murder victim's cousin and attempts to aid a friend's marriage by getting him to come out from undercover. Lily: Anna Belknap. Darnell: Hill Harper. Marcy: Tanya Wright. Heather: Lola Glaudini.