Nacho Libre is loosely based on the story of Fray Tormenta ("Friar Storm"), aka Rev. Sergio Gutierrez Benitez, a real-life Mexican Catholic priest who had a 23-year career as a masked luchador. He competed in order to support the orphanage he directed.

A lazy law school grad adopts a kid to impress his girlfriend, but everything doesn't go as planned and he becomes the unlikely foster father.