Police set up a fake biker gang made up of law enforcement with the aim of bringing down some of America's most dangerous biker gangs. Secrets of The Hells Angels goes deep into the world of the secretive and notorious biker club with access to former chapter presidents, undercover agents who risked their lives to infiltrate the group and others who witnessed the criminal activities first-hand, many who are speaking out for the first time. It is revealed that the Hells Angels were a much more violent, devious, and highly organised group than anyone realised. The in-depth, never-before-heard interviews, rare archival footage and exclusive content expose the club’s most guarded secrets and ultimately, the cost of being an Angel.