The overnight stock crew of a local supermarket find themselves being stalked and slashed by a mysterious maniac.

During the air war over Vietnam, a U.S. Navy A-6 Intruder bomber pilot schemes with a hardened veteran to make an unauthorized air strike on Hanoi.

Catherine meets Nick by accident and, after a whirlwind romance, the two get married and Catherine moves into Nick's apartment only that's the start of problems when an unseen intruder begins playing strange mind games with Catherine in an apparent attempt to drive her insane. Catherine first suspects Nick is behind it, then suspicion moves to his business partner Badge, then to Nick's friends, until Catherine suspects that Nick's first wife Stella, who commited suicide years before, may be behind the occurrences which she may be committing from either beyond the grave, or by a time vortex within the apartment itself which may have let to her suicide in the first place.

In San Francisco, the couple Scott and Annie are happily married. When Scott is promoted in his job, Annie asks him to move to Napa Valley to raise a family with children of their own. They negotiate and buy the old house that belongs to the structural engineer and widower Charlie Peck. But soon Scott notes that Charlie is always in his real estate and is hitting on Annie and he decides to investigate with his friend Mike who Charlie is.