A year after a severe emotional trauma, Sarah (Shauna Macdonald) goes to North Carolina to spend some time exploring caves with her friends; after descending underground, the women find strange ...

A series of films centre around six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued ...

Summer 1949: end of the civil war in Greece. The last band of guerrillas of the Democratic Army is forced to abandon Mount Taygetus and to head for the sea. Everything behind them has collapsed ...

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