Newlyweds Ava and Ezra's blissful marriage shatters when he discovers his sweet wife has disappeared with all their money and enough sensitive information to destroy his family if he turns to the authorities for help. As a devastated Ezra reels and searches for answers, Maddie expertly prepares for her next con with her trusted cohorts.

Ezra, Richard and Jules visit Maddie's parents. Sally makes a discovery with dangerous consequences. As Maddie gets closer to Patrick, Lenny Cohen shows up to set things straight.

Enjoying their con-artist lifestyle, Ezra, Richard and Jules close in on Maddie. Lenny Cohen cleans up Sally's mess. Maddie is devastated when the Doctor gives her a new assignment.

As Patrick and Maddie exchange marriage vows, the long-awaited showdown between con artists and FBI agents plays out, though it is unclear whose side Maddie is really on, or who will be victorious.

On the run after a violent confrontation, Maddie finds refuge in an unlikely place. Meanwhile, the Bumblers hide out in Mexico as Ezra's conning ways reach risky new heights.

Niagara Falls is the backdrop as the Bumblers, Maddie, Max, Sally, and Sofia try to stay one step ahead of the Doctor in an attempt to ensure their freedom and make the score of a lifetime.