In the remote, snow-covered mountains of the Himalayas, a group of climbers led by Sherpa Tenzing discover an ancient temple hidden deep within the ice. Inside the temple, they find a series of cryptic murals that depict a forgotten civilization with advanced knowledge of the cosmos. As they decipher the murals, the climbers must confront the forces that guard the temple's secrets, including ancient spirits and a malevolent entity that threatens to unleash chaos upon the world.