A gang of four poor underdogs plans a bankrobbery. The problems start when they try to make their plans reality and realize that they are robbing a fortune of various millions of pesetas.
Juan, Pepe and repeaters are three young usual repeaters at a religious school. For Easter, the friends decide to organize a study trip to Paris and through Campitos nerd, negotiate the trip with the rector. This agrees with one condition: they are accompanied by a teacher.