When an old theater appears to be haunted, a parapsychologist and a reporter team up to investigate.

The veteran detective Grabovsky investigates the mysterious murder of a business beauty, Julie Clark. The main suspect becomes her colleague, the young architect Jim Corrigan.

Alex Sheppard, a college student who hosts a late-night talk show on the campus radio station, finds herself in dire straits when she enrolls in the school her recently murdered sister attended in order to track down the killer. Little does Alex know the killer, a listener of her talk show, soon discovers her relationship to her murdered sister. Soon, Alex finds herself in the middle of a campus murder spree, and the killer's next potential victim.

Cindy and her beautiful friends are on vacation when they are assaulted by a ruthless gang of aliens attempting to take control of Earth. The friends join forces with Matt, a mysterious man they meet in the woods who turns out to be more than human. Together, Cindy and Matt launch a valiant attack against the alien ship and do battle with the murderous invaders from space.