A gritty fact based drama series that tells the astonishing story of a drug dealer who was arrested then given a desperate ultimatum: serve over 20 years in jail, or go undercover inside one of America's most notorious biker gangs. Charles Falco opted to go undercover and for the next three years he led a crazy and dangerous life infiltrating the Vagos motorcycle gang, collecting evidence while faced with the constant risk that he might be discovered and become one of the gang's victims. Each episode unfolds a different step in Falco's covert investigation into their illegal activities, while across the series, the drama builds as carefully constructed character arcs unfold bitter personal rivalries. These tensions finally erupt when the gang's Vice President is killed in a motorcycle accident, unleashing a chain of unforeseen consequences that ultimately tear the gang apart. With suspicions about Falco's true identity mounting, the operation threatens to unravel, leading to a tense ...

Having disappeared into witness protection, Charles Falco is struggling to put the past behind him. But will an unexpected job offer prove a step forwards or backwards?

Having agreed to go undercover again, Falco finds himself working alongside an uptight and single-minded ATF agent, Bullet.

Falco and Bullet take a road trip to California in the hope of Falco earning his patch. But Falco's past is about to catch up with him, and soon blood will be shed.

After a massive bust of the Mongols in CA shutdown their operation in VA, Bullet and Chef start a new operation in VA. An old enemy of Charlie's returns as a confidential informant.

Falco is requested to partner with his old nemesis Darko, which leaves him to contemplate quitting the mission; and the Devil and posse arrive to inspect the new clubhouse, and the night takes a hellacious turn.

A chance run-in with the Devil exposes Falco and girlfriend Sarah Jane, putting them in a dangerous situation.

Falco's chapter is ordered to off a rival biker, but Meredith gets wind of the plan and threatens to end the operation. Meanwhile, Bullet has other ideas, and a scheme unfolds to fool the Devil.

A missing cell phone that contains candid video recordings threatens to derail Falco's operation and leaves him facing a pivotal moment of truth.