Freewheeling, motorcycle-riding musician Johnny rolls into a small town with his band, and meets Kathy, an honor student who catches his eye. Meanwhile, Kathy's father, after being in the Witness Protection Program, is finally tracked down by two corrupt cops he escaped from years ago, who want the money he owes them.

A young couple inherits an old mansion inhabited by small demon-like creatures who are determined to make the wife one of their own.

A scientist and his team of underwater explorers search for the culprit who has stolen the world's supply of nerve gas and hidden it somewhere in the ocean.