Twenty years after a Valentine's Day tragedy claimed the lives of five miners, Harry Warden returns for a vengeful massacre among teen sweethearts gearing up for another party.

It's a summer of fun for two teenaged boys who spend their time chasing two sisters, annoying a biker gang, and basically getting into typical sophomoric hijinks whenever they can.

Aunt Lilli and niece Nina are locked in a furniture store. They want to go on vacation and have to catch the plane. How can they get out in time? The night watchman, who finally finds them, wants to let them out but has to get the key first. He doesn't come back. Nina follows him and meets a strange colleague of the night watchman. It turns out that he is a burglar and has murdered the night watchman. Nina is in great danger and Aunt Lilli helps her to escape. After a fast-paced chase, the burglar stabs himself. Where to put the two bodies?

A voyeur peeps through a pinhole into a snowbound farmhouse where a masked knife-wielding psychopath dishes out bloody revenge at a twisted family reunion between a young woman and the despicable men who could be her "deadbeat dad."

A scientist trains a man with an advanced telepathic ability called 'scanning' to stop a dangerous Scanner with extraordinary psychic powers from waging war against non-Scanners.

A boy, expelled from military school, returns home to his fathers disappointment. He discovers that a motorcycle gang has been terrorizing his high school, and falls in love with the girlfriend of the gang's leader. He battles the gang, and wins both the admiration of his father and the love of the girl.