Overview: Partially presented in 3D, Psychiatrist Dr. Allen Barnes obtains a mysterious ancient tribal mask after one of his patients commits suicide. Whenever he puts on the mask, Barnes experiences dream-like visions which become increasingly disturbing and violent and even physically harming his girlfriend Pam. The visions begin to alter Barnes' personality, and eventually drive him insane while Lt. Martin questions those who knew him and the whereabouts of said mask. Originally Released 1961