After figuring out the last clues of the Mosconi Code, Neal and Peter try to find the Diamond before somebody else can get to it first.
When Neal and Peter realize that a client trying to reach Rebecca hasn't seen her before, they interrupt Diana's maternity leave and ask her to pose as Rebecca in order to expose the client, a corrupt stock trader. Meanwhile, Rebecca offers necessary information in exchange for seeing Neal and Mozzie figures out how to solve the last of Mosconi clues.moreless
After learning Rebecca lied to him, Neal finally tells Peter about the Mosconi Codex, resolving the tension between them. Peter realizes Rebecca has developed real feelings for Neal and tries to use it to their advantage to lure her into a trap, but she can escape. Unwilling to put Neal's life at risk again, Peter asks Neal to step back. However, with Rebecca still holding Hagen's blackmail tape, Neal sets out on his own to get to her first.moreless
Neal and Peter try to get their hands first on the evidence box before Senator Pratt can interfere.
Neal and Peter have to deal with sculpture forgeries and a new boss. Meanwhile, Neal's father returns and Mozzie and Neal get closer to the evidence box.
In order to catch a Bonnie and Clyde like couple, Peter and Neal take different approaches.
Peter and Neal uncover a cab con which leads to a classy jazz club and some old fashioned undercover work.
Neal and Peter try to get closer to the ones responsible for destroying Neal's family 30 years ago and start investigating a senator and his involvement.
Neal and Peter try to find out what Neal's father did. Meanwhile, they investigate a member of the Irish Mob.
When Neal and Peter get word that a thief is trying to get his hands on defense technology, they visit a FBI conference to catch the thief in the act.
Neal gives stock trading a try when he goes undercover on Wall Street.
Some burglaries are going around involving rare pieces in museums.
Peter and Neal have to deal with political fixer who was hired to ruin the trial against a criminal Peter arrested.
When Mozzie, Neal and Peter find clues to a lost American treasure, they find themselves on a dangerous treasure hunt.
An art thief blackmails Neal into stealing an important piece of art in exchange for some valuable information about his past.
A beautiful widow is about to get a giant life-insurance payout but the guys think something is up.
A thief that has been on the run from the FBI for years is tracked down by the guys.
It's up to Peter to get Neal back to the US without him being arrested.
When a bounty hunter picks up Neal's trail, Peter tries to get to him first.
Agent Kramer's review of Neal's case puts his commutation in jeopardy.
A wealthy Yankees fan enlists Neal's expertise to steal a prized piece of memorabilia.
Sara enlists Neal's help to find a Stradivarius that has gone missing.
Elizabeth alarms Peter when she listens in a conversation between neighbors mentioning prison and payday. When he doesn't find anything, Elizabeth enlists Neal and Mozzie's help to start her own investigation.
When scholarships funds are stolen, Neal goes undercover as a substitute teacher.
Elizabeth's kidnapping forces Neal to come clean to Peter about his betrayal.