United States Federal Bureau of Investigation agent Peter Burke teams up with an unlikely partner to hunt an elusive and vicious counterfeiter known as the "Dutchman."

Peter is looking for an FBI agent who went under cover to get something on an Asian criminal who appears to have vanished. He sends Neal under the guise of being a high roller playing Pai Gow. While in the midst of the operation, there's a raid and Neal is aided by the hostess. When they're alone she disengages Neal's wire and reveals that she's an Interpol agent. She wants Neal to make sure the FBI doesn't interfere with an operation in exchange for information about Kate. When asked he doesn't tell Peter anything. But Peter checks her out and learns that the reason she gave Neal is a lie. Neal has to choose who will he side with.

When June's granddaughter Samantha needs a donor organ, Peter and Neal stumble on the trail of illegal organ trade. Neal approaches Dr. Wayne Powell, the ringleader, posing as an 'approachable' doctor. That leaves only Peter to seduce his female cahoot. Finally an elaborate 'Indian' trap is set.

Caffrey and Burke pursue a female thief who has made off with items from an extremely valuable collection. Should they fail to capture her in time, her exploits threaten to cause an international incident.

When the daughter of a man Neal once robbed, is kidnapped and the kidnapper is a man whom Neal worked with and betrayed, will only deal with Neal. So the FBI agent in charge of the kidnapping takes possession of Neal and sends him to meet with the man. When Peter talks to the father, he realizes that the man wants Neal but before he could warn him, he's grabbed. He wants Neal to help pull a job. Peter tries to find him. Neal gets word to Mozzie what he's been doing who tells Peter who figures out what the man is doing.

Alex Hunter finally teams up with Neil to steal the music-box, which she located in the Italian consul's safe, doubtlessly obtained illegally. Pete smells a rat but is kept at a distance, as the plan requires entering a witness protection relocation to Canada, arranged by dirty agent Garrett Fowler. An explosion changes everything.

Manhattan is the latest branch of a bank to receive the calling card of the Architect, a master robber who got away with three earlier, similarly bloodless hold-ups. Peter sort of clears himself and gets jailed Neal his ankle device parole back, but on a trial basis for both of them. Neal proves the security insufficient and works out the likely identity of the Architect, squeaky clean but bored and arrogant wall Street mogul Edward Walker. Catching him proves harder, his easily seduced secretary and an inside accomplice the keys. Meanwhile Mozzie helps Burke keep track of Neal's mental recovery and discovers the mysterious music-box's disappearance from evidence.

Wesley Kent's microchip firm's head researcher Joseph Hayes is murdered by poisonous overdose, presumably on account of his revolutionary invention. The duo goes undercover, but due to his major, Peter now gets the cushy alias of pampered rating agency accountancy expert. Neal joins the competitive junior executives in a cubicle, but gathers no less information there. After Mozzie discovers Peter has the music-box, he must accept to continue the Kate investigation officially, with a stuck-up FBI agent as equally unamused partner.

Neal orchestrates an elaborate con to bring himself face to face with Kate's murderer.

An old friend of June's late husband, Ford, has returned after a stint in prison. Neal suspects the man is dangerous and fears for June.

Peter and Neal assume each other's identities to uncover a collusion scheme.

When a mobster from Mozzie's Detroit childhood surfaces in Manhattan, Neal and Peter must help their friend rework a scam from his past to take down the ruthless gangster and prevent a mob war.

A hacker empties a bank's accounts, so Neal assumes the thief's identity and goes on a spending spree in order to force the criminal to surface.

Peter takes the day off in an attempt to give Elizabeth an extraordinary birthday, complete with her parents. He leaves Diana in charge to find a missing Stradivarius with Sara and Neal, all under the prying eyes of Agent Kramer.

When a wealthy Yankees fan recruits Neal to help steal a prized piece of memorabilia, Neal is reminded of what life could be like again as a high-end thief.

When Agent Kramer returns to derail Neal's commutation, Neal races to right a wrong from his past. Peter in turn must choose a side. Set against the backdrop of Neal's commutation hearing, Neal will ultimately decide between fight and flight.

Mozzie discovers clues to a treasure he is convinced were left by a spy ring.

Neal, Peter, and Mozzie take down the Irish mob's whiskey counterfeiting ring, and Neal learns more about his father's past.

Neal and Peter investigate Mozzie's claims of taxi cab forgery and money laundering. Which leads to back to a jazz club owner.

The FBI begins searching the building for the evidence box. Peter, Diana, and Clinton try to stall the search. While Neal, Mozzie, Sara, and James try to get to the box first.

Neal and Peter look for a U.S. passport forger from Russia.

Neal and Peter take on an unprecedented asset recovery case for the Museum of Natural History: a stolen Tyrannosaurus Rex skeleton and its egg.

Neal and Peter race against a criminal mastermind to unearth an invaluable treasure hidden in New York.

Neal feels conflicted about scamming an innocent mark while running a con for the Pink Panthers. Meanwhile, Peter is working with a reckless Interpol agent who could put their entire operation in jeopardy.

Neal will need a little helping hand with his latest heist, and the FBI agent will take part in the dangerous con during "Au Revoir."