A horrifying premonition saves a young man and his friends from death during a racetrack accident but terrible fates await them nonetheless.

Alex Browning is among a group of high school students readying themselves for a trip to Europe. When he suddenly has a premonition their airplane will crash, he screams to warn the others but instead he is thrown off of the plane.

Amnesiac Cassie Grant has a premonition that someone or something wants the family that's helping her recover dead. She investigates the secrets of the town they live in and uncovers darkness, both human and supernatural.

A screenwriter is plagued by nightmares as he writes a script about a family that was slaughtered years before. Soon, the grisly murders he's writing about actually start to happen.