After the disappearance of a young scientist on a business trip, his son and wife struggle to cope, only to make a bizarre discovery years later -...

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors....

Sean Anderson partners with his mom's boyfriend on a mission to find his grandfather, who is thought to be missing on a mythical island.

A departing professor gathers his closest colleagues for an intimate farewell, but the night takes an unexpected turn when he shares a stunning...

His high school teacher issues an ultimatum: turn in a science project or flunk. So Mike Harlan scavenges a military base's junk pile for a suitable...

Three strangers arrive one by one to a mysterious cabin in the middle of nowhere after enduring separate life-altering predicaments. Searching for a...

Two old friends living in a dystopic future become trapped in a mysterious time loop — one that may have something to do with an ongoing battle...

When an 8-year-old girl mysteriously vanishes on Caddo Lake, a series of past deaths and disappearances begin to link together, forever altering a...

The adventures of a group of explorers who make use of a newly discovered wormhole to surpass the limitations on human space travel and conquer the...

A teenager with no memory of his past finds himself among a group of boys living in a walled enclosure surrounded by a massive, ever-changing maze....