Cults often start as a loose group of people with a carismatic leader. But over time the groups attract more and more people and their leaders become gurus. Often connected with finanical and personal exploination. This documentary looks behind closed doors of a secret world mixed with fascination and fear. But what attracts people to join a cult and what makes them stay? The film looks on bizarre gurus like Charles Manson and Jim Jones (Peoples Temple), Shoko Asahara and Aum Shinrikyo, David Koresh (Branch Davidians), Paul Schäfer (Colonia Dignidad) and Warren Jeffs (FLDS Church).