Leigh Maxwell refuses to believe strange things happening to her are the result of the obsession of a young, emotionally unstable, maintenance man at the factory where she works. Her former fiance, attorney Mark Hollingsworth, doesn't agree. He urges her to hide away in his isolated lakeside cabin. Assured that her whereabouts are a secret from all but Mark, she follows his advice. The peace of mind she sought, however, turns to terror when a storm and a killer strike at once."