After waking up in the middle of a forest with no memories, a young woman is targeted by mysterious strangers with a motive as unclear as her way back home.

Confined to a mental hospital, young Kirsty Cotton insists her supposedly dead father is stuck in hell, controlled by sadomasochistic demons after being betrayed by his evil, occult-obsessed wife, Julia….

Hedonist Frank Cotton finds a mysterious puzzle box that summons the Cenobites, who open the doors to a dominion where pain and pleasure are indivisible.