Tony and Tia are other-worldly twins endowed with telekinesis. When their Uncle Bene drops them off in Los Angeles for an earthbound vacation, a display of their supernatural skill catches the eye of the nefarious Dr. Gannon and his partner in crime, Letha, who see rich possibilities in harnessing the children's gifts. They kidnap Tony, and Tia gives chase only to find Gannon is using her brother's powers against her.

Two rich children devise a way to escape their grandfather and visit their mother. Unfortunately for two hapless safe crackers, they become part of the plan.

Camp Sasquatch will be bought out and closed unless owner Coach Giddy wins the boxing competition scheduled for the end of the summer. Tough city punk Flash, who's performing his community service time at the camp, is the coach's best hope. Flash reluctantly offers to help and so must use his raw sparring talents to get a motley group of adolescent misfits into fighting shape, while also trying to win the heart of pretty Cheryl.