In this action-comedy, unusual circumstances find big, brawny cop John Kimble (Arnold Schwarzenegger) posing as a kindergarten teacher in order to apprehend major drug lord Cullen Crisp (Richard Tyson), as well as his ruthless accomplice and mother, Eleanor (Carroll Baker). While pretending to be a kid-friendly instructor, Kimble falls for pretty fellow teacher Joyce Palmieri (Penelope Ann Miller) as he battles both unruly children and dangerous bad guys.