Several young couples travel to a private island for a mysterious training retreat that promises to strengthen their relationship. However, during the Retreat, the heroes encounter an ancient demon - a Succubus. This monster feeds on the life energy of people, taking on someone else's appearance and provoking victims to show the worst qualities and do terrible things.

A group of heroes assembled by the eccentric billionaire goes into closed Perimeter full of abnormal activity which is inexplicable in terms of science. This journey will change all members of the group and reverse their notion of reality.

Mara, an ancient pagan spirit, hunts a group of teenagers taking their body parts to be reborn. A disillusioned and desperate investigator has to face his deepest fears to save the teenagers.