The Irrefutable Truth About Demons (2000)

Caught in a terrifying realm where knowledge and fear collide, Dr. Harry Ballard discovers the very essence of evil. As demonic forces close in, his fate hangs precariously in the balance. Marked for sacrifice, he plunges into a nightmarish world ruled by malevolent entities. Accompanying him is a captivating young woman, an ex-cult member who has firsthand experience with the dark power they wield. Together, they must navigate their harrowing journey, battling for survival against the relentless grip of the supernatural. Hope dwindles as the demons assert their dominance.