The team look for an antidote at the manufacturer's lab in order to save a poisoned Middle Eastern diplomat. Elsewhere, Madeline takes action when she suspects she's being followed.

Michael finally meets with the head of the organization he’s been assigned to dismantle, but things get dicey when the leader drugs him at gunpoint in order to learn his deepest secrets. In danger of exposing his cover, Michael soon realizes that in order to protect his future... he'll have to face his past first.

When Michael discovers an old friend digging up secrets that could expose his cover, he must decide just how far he will go to protect the mission. Meanwhile, Sam and Jesse are thrust in the middle of a street war involving a decade-old murder after Fiona’s boyfriend is targeted by a coldblooded gang member.

Michael is caught off guard by a visit from his drug dealing neighbor Sugar. But to Michael’s surprise, Sugar isn't looking for trouble; He needs Michael's help fending off a crew of notorious thieves. Meanwhile, Michael struggles with working beside an unexpected partner.

Sam convinces Michael to investigate a robbery at a chic fashion house, but they quickly realize the world of design isn't always pretty. Meanwhile, Michael and Fiona gain the trust of a Polish intelligence officer to get information on an unlisted "black flight," transporting dangerous cargo.

Michael is bailed out of jail by an old friend who asks for his help in return.

Arms trader Brennen returns and kidnaps Nate, forcing Michael to help him pull off an elaborate heist. Michael must also contend with Paxson's ongoing investigation.

Michael gets a hold of a crime lord who seems to be the prime suspect in a Miami PD investigation, so he wants to hand him over in return for being left alone.

When Michael's old acquaintance Larry shows up unannounced, it is up to Michael to clean up his mess. Meanwhile, Michael's brother Nate shows up with his new wife Ruth.

Michael arranges to be captured by a Syrian intelligence officer in order to rescue an inept smuggler; Riley offers Madeline a deal in hopes of tracking down Michael.

Michael discovers a surprise aboard a boat he has retrieved from Jamaican gangsters. Meanwhile, a CSS agent urges Michael to stop his investigation into who burned him.

A slightly dim house sitter's fiancée has been kidnapped, and Sam guilts Michael into a rescue while he's negotiating with a D.C. bureaucrat to stop the burn notice.

Michael meets a former Russian operative who now works as part of Burke’s mysterious organization. In order to get out of Cuba, they’ll have to outwit a bloodthirsty counterintelligence expert who’s locking down the island. Strong convinces Fiona to help Michael’s mission by making her an offer she can’t refuse.

Michael intentionally gets arrested in order to help an FBI agent take down a vicious mobster. Jesse and Pearce follow up on the gun sale that put the weapon in the hands of Nate's murderer, but run into danger.

Michael works to rid a community in little Havana of a crime boss, all the while baiting Jason Bly at the risk of his family and friends.

Michael poses as a safe cracker to help out a reformed ex-con who is unwillingly part of a heist, and tries to sneak into the heavily-guarded office of his handler. Meanwhile, Sam gets an unexpected proposition from his girlfriend.

Hired by Fiona's boyfriend's friend Henry, Michael poses as a disgruntled bodyguard to thwart a kidnapping plot masterminded by a ruthless man named Lesher.

Michael helps Madeline's friend retrieve money from a swindler, and in return he receives information about some visitors that came to his mother's home.

Michael's friend, Bill, asks for the spy's help in freeing his daughter from a prostitution ring. Meanwhile, Michael dodges multiple assassination attempts.

Michael takes on arms dealers for an airport worker, while Nate obsesses about the car and their dad's will together.

Michael prevents a man from committing suicide, whose son suffers from a heart condition. He had lost his savings in a scam after investing in a "miracle drug" for his son, so Michael decides to get him his money back. Meanwhile, he has to deal with an explosion at his place and his brother in jail.

Michael's ex-fiancé seeks the spy's help in freeing her son, who was kidnapped by a disillusioned ex-spy named Brennen.

Sam agrees to help his girlfriend's son, who is in deep trouble with a loan shark. Michael and Fiona reconnect while searching for the saboteur.

Michael returns to Miami to track down someone who is trying to blow his cover; Michael is forbidden from contacting his crew.

Michael, under the alias of Miles Parker, is hired by Scott Chandler to investigate strange activity - log-ins at odd hours, unusual computer activity and telephone bugging - at an art gallery. But after being attacked by the the gallery's receptionist, Michael finds himself working against Chandler. Meanwhile, Michael needs to find the person who planted the bomb at his loft, therefor he turns to arms dealer Seymour for help.