A Hollywood legend invites her not-so-normal family home for the holidays.

Vada Sultenfuss has a holiday coming up, and an assignment: to do an essay on someone she admires and has never met. She decides she wants to do an assignment on her mother, but quickly realizes she knows very little about her. She manages to get her father to agree to let her go to LA to stay with her Uncle Phil and do some research on her mother. Once in LA, she finds herself under the protection of Nick, the son of Phil's girlfriend, who at first is very annoyed at losing his holidays to escort a hick *girl* around town. However, he soon becomes more involved in the difficult search.

Young Danny Madigan is a big fan of Jack Slater, a larger-than-life action hero played by Arnold Schwarzenegger. When his best friend, Nick the projectionist, gives him a magic ticket to the new Jack Slater film, Danny is transported into Slater's world, where the good guys always win. One of Slater's enemies, Benedict the hitman, gets hold of the ticket and ends up in Danny's world, where he realises that if he can kill Schwarzenegger, Slater will be no more. Slater and Danny must travel back and stop him.

A scientist performs experiments involving intelligence enhancing drugs and virtual reality on a simple-minded gardener. He puts the gardener on an extensive schedule of learning, and quickly he becomes brilliant. But at this point the gardener has a few ideas of his own on how the research should continue, and the scientist begins losing control of his experiments.