Two of today's top investigative journalists discovered the reality of the world's most foremost biker gang — The Hells Angels. With an estimated 2,500 members in 25 countries, the Hells Angels have inspired a global subculture of violence and fear. Sher and Marsden unflinching look at how law enforcement agencies worldwide are trying to stop — with little success — the biker gangs from spreading their violent outlaw creed around the world.