A girl arrives from London to visit her estranged relatives in a remote castle for the reading of her father's will. After a while she discovers that they are all in fact dead and her decision to live with them turns into a nightmare. Unable to leave she's drawn into a macabre underworld through visions of nude satanic rituals and her own impending sacrifice.

Invited to a wealthy client's mansion, time-traveling witch Yuko and her companions arrive to find a group of collectors assembled to participate in a mysterious auction. And the mystery only deepens when the collectors go missing one by one. As more guests disappear and strange occurrences abound, Yuko and her friends realize they must solve the mystery before they vanish as well.

Puck has been invited by her tutor at the university to celebrate midsummer at his secluded cottage on an island together with a group of friends, among them Einar Bure. Puck and Einar are having a secret relationship, and he is the reason she says yes to the invitation. Having been out on a romantic spree with Einar, Puck finds one of the female guests murdered. Einar contacts his friend Christer Wijk, but upon Christer's arrival, the dead body has disappeared. The contact with the outside world is broken when the island's only boat goes missing. They are trapped on the island - and someone among them is a killer...