In 1974, Brad Steiger and Hayden Hewes investigated an Oklahoma City group led by UFO cultists Marshall Herff Applewhite and Bonnie Lu Nettles. In March 1997, 38 disciples of the cult—now known as Heaven's Gate—committed mass suicide in Rancho Santa Fe, California. How did it happen? The answers are here, in the shocking testimony of its leaders and former followers, as only they could reveal.

This is the complete, never-before-told story of Heaven's Gate—in the chilling words of the UFO leaders and disciples who turned their sprawling mansion into a death camp.