65 million years ago, the only 2 survivors of a spaceship from Somaris that crash-landed on Earth, must fend off dinosaurs to reach the escape vessel in time before an imminent asteroid strike threatens to destroy the planet.
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.