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.