On a class excursion to a cave with stone age paintings the clumsy Rex gets lost. A mysterious crystal opens a gateway in time and sets him back to the stone ages, where he meets a group of prehistoric fellows and the gorgeous Eba. While teaching her English and doing some pseudo-research on her...
To save himself from the biggest bully in school, Chris Calder has to dress himself up like a girl to avoid Curt. When the disguise works, he is forced to stay a girl - with disastrous results. Curt falls for the new girl in school while Chris falls for the bully's sister, a beautiful blonde...
