After being put on a supposedly uninhabited island as a form of behavioral rehabilitation, a high school senior finds that he's not alone on the island, and that getting discovered could be deadly.
A thief makes a disturbing discovery in the house where he breaks in. Later, when he returns to the same house with his partner in crime, things are no longer how he expected.
Shortly after David Abbott moves into his new San Francisco digs, he has an unwelcome visitor on his hands: winsome Elizabeth Martinson, who asserts that the apartment is hers -- and promptly vanishes. When she starts appearing and disappearing at will, David thinks she's a ghost, while Elizabeth is convinced she's alive.
Workaholic Jim Evers and his wife/business partner Sara get a call one night from a mansion owner, Edward Gracey, who wants to sell his house. Once the Evers family arrive at the mansion, a torrential thunderstorm of mysterious origin strands them with the brooding, eccentric Gracey, his mysterious butler, and a variety of residents both seen and unseen.