Vinnie nearly blows his cover when he becomes obsessed with finding out who killed his cousin, causing Frank to threaten him with dismissal. Frank desperately wants Vinnie to concentrate on nailing the Zaratzos, who are trying to arrange a drug smuggling deal with Sonny, because they killed one of Frank's agents.

Roger Lococco in effect signs his own death warrant by testifying to a Senate committee about a cabal within the U.S. intelligence community, but to back him up he needs Vinnie to testify as an O.C.B. operative — testimony that would end Vinnie’s career as an undercover agent.

Vinnie warns Amber about her lawyer, but Amber thinks he's just jealous. Vinnie runs into an old high school buddy who urges Vinnie to pursue Amber. Vinnie uncovers proof the lawyer is conning Amber into selling Shakala. Amber and Vinnie fall in love. (source : http://www.plasticcow.com/wiseguy)

Frank's reporter friend tells him about a corrupt town in Washington, spurring Frank to assign Vinnie to the case. Vinnie sets his cover as a truck driver whose rig just got repossessed. The local sheriff investigates Vinnie and finds out he used to be a cop, so he offers him a job as deputy. Vinnie prevents Bobby from killing Volchek, then fakes Bobby's death to win Volchek's trust. (source: http://www.plasticcow.com/wiseguy)

When the bodies of two missing deputies turn up, it points to a serial killer who has been terrorizing the northwest. Volchek assigns the investigation to Vinnie when Stem loses control. Frank warns Vinnie he has to leave after Dan tells him there's a 40 man task force on the way to Lynchboro. As Volchek tries to eliminate possible suspects, Stem confesses to the murders, then electrocutes himself. Vinnie flashes back to Sonny killing himself, then snaps and takes off, stealing Frank's car.(source: http://www.plasticcow.com/wiseguy)

Vinnie takes a job hauling hospital waste as he continues to hide out in Seattle. Frank finds out Volchek is going to bribe a state official to get the license for his hospital and plans to arrest them after dinner. Roger uncovers Volchek's cryogenic vault. Lacey talks to Roger about how important Volchek is to the town, causing him to throw the arrest. (source: http://www.plasticcow.com/wiseguy)