A crew of young environmental activists execute a daring mission to sabotage an oil pipeline.

A woman is forced to continue working while one of her colleagues lies unconscious on the floor due to the long, hot work days. This fact causes insomnia problems and the suspicion that something is happening at night.

A killer uses a college radio station as a means of instilling fear in his victims. When he threatens the Sigma Zeta Whirlda fraternity house, their Halloween party flares up with panic and fear.