Six months after exacting revenge on his former company, a newly sober Nate's attempt to resume a normal life is derailed when he helps a car crash victim who was about to expose a major bank fraud. The team has returned to their old ways, but are not anywhere near as satisfied as they were before, and they all reunite to take down the banker and the Irish mob.
Under the name "Leverage Consulting & Associates," the team reunites for "one more job" in order to get justice for wounded veteran Cpl. Perry, shot by a government contractor in Iraq. The game changes, however, when the team realizes that Perry was not shot by accident, but to keep him from talking about something and the team realizes that a congressman may be involved.
To get a convicted felon to reveal the location of his stolen money, the Leverage team steals the hospital he's confined to and stages a disease outbreak. Meanwhile, Eliot gets distracted when posing as a guard, he sees a young boy being treated and comes to suspect that the boy's father is responsible for the mysterious injuries which means that the youngster is being abused.
The team attempts to rip off an unscrupulous investment banker by stealing his lovable loser stepson's school, and Sophie & Eliot pose as the boy's "fairy godparents"; Parker and Hardison run into two old FBI friends in the process.
Sophie and Nate switch places as the team cons a tabloid newscaster with a fake story about a government cover-up, but when their target starts believing the story, major problems arise.
The crew takes on a corrupt corporation which is marketing tainted foods. The scheme team needs to be tricky: they will put on a fake magic show so they can slip by the tight security.
It's thief vs. thief as the Leverage team goes up against another crew—run by an old "friend" (Griffin Dunne) of Sophie's—to retrieve a stolen painting. Sophie's continuing identity crisis leads her to make a big decision.
Hardison fills in for Sophie as the inside man when the team sets their sights on an unscrupulous diamond merchant.
The Leverage team targets a shady lawyer looking to usurp his deceased client's estate. In an attempt to retrieve the money from the estate which was promised to a charity, Parker plays the client's long-lost daughter and claims to be his heir. With Sophie still in London, the team works with an uptight lawyer as a chaperone, but they soon find out that there's more to her than meets the eye.
The team enters the fashion industry to con a sweatshop owning couple while they cope with their newest member. Things get very complicated when they learn that their marks are in bed with the Triads.
When a loan shark tries to take over McRory's Pub, the Leverage team resorts to the classic "wire" con, with a little over an hour to pull it off. However, Nate is put on the spot to confront his problem with the bottle.
Nate's ex-wife Maggie is framed for a jewel theft in Kiev, and the team must work with an old adversary to save her.
The team goes after a ruthless grifter posing as a psychic, but come across a problem when an ex-con kidnaps him to divine the location of some stolen goods.
Lt. Patrick Bonanno of the Massachusetts State Police is shot while trying to take down a corrupt mayor (Richard Kind), and the team steps in to finish what he started. But when their mark's true motives are finally revealed, finishing the con gets just a little harder.
With Sterling, the FBI, and anyone else carrying a badge in pursuit, the Leverage team hides in plain sight to complete a daring con of the mayor and his gunrunning partner.