In the midst of his crumbling relationship, a radio show host begins speaking to his biggest fan—a young boy—via the telephone. But when questions about the boy's identity come up, the host's life is thrown into chaos.

Admitted to Mt. Abaddon Hospital for a routine procedure, George Grieves discovers that his condition is much more serious and complicated than originally expected; and as his own fears begin to manifest around him, he learns that Mt. Abaddon is not a place where people come to get better... it is a place where people come to die.

A disgraced FBI agent with a drinking problem joins nine other troubled law enforcement officers at an isolated detox clinic in the wilds of Wyoming. But the therapeutic sanctuary becomes a nightmarish hellhole when a major snowstorm cuts off the clinic from the outside world and enables a killer on the inside to get busy.

In the dark silence of the sea during World War II, the submarine USS Tiger Shark prowls on what should be a routine rescue mission. But for the shell-shocked crew, trapped together in the sub's narrow corridors and constricted spaces, this is about to become a journey into the sensory delusions, mental deceptions and runaway fears tha...

The presence of Ichabod Crane's descendant in Sleepy Hollow conjures the Headless Horseman to return and resume his spooky slaughtering.