In the final episode of the series, Michael tries to regain the trust of his friends. Meanwhile, James tries to make him pay for his betrayal.
Fiona, Sam, and Jesse fear for Michael after he is forced to expose his true identity to James and Sonya.
Michael and Sonya travel to Mexico to help James with an important mission. Meanwhile Strong sends a team of freelancers to capture James and Sonya. Michael finds out that the capture mission is being led by his old enemy and he becomes ever more conflicted with his alliances.
James orders Michael and Sonya to kill one of Michael's old friends, Steele. Michael tries to find a way to save him. Meanwhile, Carlos is targeted and kidnapped by a gang member, Nando. And to save Carlos, Fiona asks help from Michael and Sonya.
James needs help to protect a diplomat at an economic conference in Miami. But the hit squad didn't make their move at the event 'cause they've already poisoned him. Michael and his team tries to find an antidote. Meanwhile, Madeline notices that James has been having his men follow her everywhere she goes.moreless
Michael begins to question his motives when the organization he's been working to infiltrate assigns him to take down an illicit, ruthless drug smuggler. Meanwhile, Fiona and Jesse accompany Strong to a mental hospital in hopes of finding more about the organization's elusive leader - a man known only as James.moreless
Michael meets the boss of the terrorist organization he's been assigned... But the boss drugs him, questions him about his past. Michael tries to protect his cover in a very bad mental situation.
Strong orders Michael to find out who the boss of the terrorist organization is. To gain her trust, Michael helps Sonya to take revenge on the hacker group responsible for her capture. To do that, Michael and Fiona go undercover.
After Burke's death, Michael helps Sonya. They are trying to get out of Cuba but there's a new enemy, Colonel Oksana who wants to capture them badly.
Burke once again recruits Michael and his team to break Sonya out of a Russian prison based Havana. But Michael's past with the Russians give them a hard time.
Michael recruits Sam and Jesse and they travel to the Dominican Republic to help him. Fiona helps Madeline when a bookie tries to extort her.
Michael comes back to Miami to protect his cover. Sam, Jesse and Fiona are also trying to hunt Mystery Man down themselves. Michael spies on his friends from a safe distance and he remembers his first meet with Fiona.
In the final season premiere, Michael is in deep cover and a terrorist recruits him to do some clandestine works. In the meantime, Sam and Jesse start looking for answers after learning Michael's life may be in danger.