Following the death of his father, young Danny Madigan takes comfort in watching action movies featuring the indestructible Los Angeles cop Jack Slater. After being given a magic ticket by theater manager Nick, Danny is sucked into the screen and bonds with Slater. When evil fictional villain Benedict gets his hands on the ticket and enters the real world, Danny and Jack must follow and stop him.

An invisible scientist escapes from an asylum and teaches high-school physics to nubile teens.