An uneducated family man wins a jackpot lottery. Moving to a mansion, he and his kin struggle to adapt to high society's customs and newfound fame.

Huicho Domínguez (Carlos Bonavides), an uneducated, womanizing family man with two children in working-class Mexico, wins the grand prize jackpot ("el premio mayor") in the national lottery. He and his family subsequently move into a large mansion and attempt to adjust to the newfound fame and customs associated with the upper class.—Baneven48