Cantinflas is a private in the military, who doesn't know anything about discipline or following rules. He only wants to think about his girlfriend, the maid in an opulent hacienda. The owner of the hacienda has an ugly and shy daughter, who is in love with Cantinflas. The problems arrive when the family arranges a wedding between the ugly girl and Cantinflas, who in order to avoid the commitment gets himself arrested. During his punishment, Cantinflas learns to fly with a silly and poorly trained flight instructor..