A man struggles with memories of his past, including a wife he cannot remember, in a nightmarish world with no sun and run by beings with telekinetic powers who seek the souls of humans.
Americans Amy, Stacy, Jeff and Eric look for fun during a sunny holiday in Mexico, but they get much more than that after visiting an archaeological dig in the jungle.
Plagued with grief over the murder of her daughter, Valerie Somers suspects that her husband John is cheating on her. When Valerie disappears, Detective Leon Zat attempts to solve the mystery of her absence. A complex web of love, sex and deceit emerges -- drawing in four related couples whose various partners are distrustful and suspicious about each other's involvement.
