The daughter of a wealthy businessman has disappeared in Mexico, and all the efforts to find her have been unsuccessful. A psychologist, knowing that the girl has an ultra bad luck, persuades her father to send to Mexico one of his employees, an accountant with super bad luck, to find her. Perhaps he will be lucky, and his bad luck could help to find the unlucky girl.

Hard-edged cop John Kimble gets more than he bargained for when he goes undercover as a kindergarten teacher to get the goods on a brutal drug lord while at the same time protecting the man's young son. Pitted against a class of boisterous moppets whose antics try his patience and test his mettle, Kimble may have met his match … in more ways than one.