Artie, Joe's friend, comes back into town, and offers a business proposition. He plan to dig a tunnel from a bookstore to a bank. Lily goes undercover as bookstore owner to distract customers goings on.
Joe and Lola use a dead body to weave a net for a known killer in order to find where he's buried the bodies; Darnell and Lily act as a couple on the rocks in order to create a diversion while the FBI plants a bug in a suspect's car.
Joe does a "black op" for an FBI boss investigating a death of an FBI agent undercover for brutality by the LAPD. Darnell poses as reporter, Lily as medical student and Marcy returns to pose as a funeral director.
Joe and Heather work a sting involving an accused corporate raider who has hired them to take out one co-workers. Lily and Darnell pose as a book dealer and supplier to take down a forger trying to pass off fake manuscripts as real.
Joe and his crew pose as filmmakers involved in the adult-movie 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.
Lily goes undercover as an Irish nanny to determine the whereabouts of another Irish nanny who has gone missing and is maybe dead. Joe tries to set Darnell up as a collector/enforcer for a high-powered bookie they want to bring down.
Lily is undercover as young Irish mobster's girlfriend. She agrees to marriage to draw his mob boss father into position for arrest. Joe orchestrates wedding as bait, but Lily has to go through with it and marry the guy to get their man.
Joe and team infiltrate dating service to catch woman suspected of killing past dates. Caroline Glenwood is the lethal temptress. Joe, poses as potential suitor, his crew as dating service employees to stop her before she kills again.