Kate returns from war and goes on a camping trip with her friends. They come across strange people living off the land and befriend a group of rock climbers. After their friend goes missing, the women team up with the climbers to survive their hike.

"In Search of the Great Beast 666" documents the chilling life, impulses and journey of Aleister Crowley (1875-1947), one of the most controversial and mysterious characters of the 20th Century; infamously known as "The Wickedest Man in the World."