Kiss the Devil in the Dark.

Marcus, a powerful sorcerer who is desperate to save his dying wife, makes a deal with the demon Dagon to save her soul. Dagon, however, has more in mind for Marcus than just a simple exchanging of souls. With seemingly no other choice, Marcus accepts, thus catapulting him into a series of events that will reveal to all involved the very meaning of betrayal. (Screamfest)