Driven by his financial difficulties, a man embarks his sister and triplet nieces on various adventures.

Mingo, Carlitos and Tristán are three friends who run a humble moving company together. One day, while they are having dinner at Carlitos' house, a baby is left at his door with a letter in which they are asked to take the baby to the province of Córdoba so that he's not in danger. From there, a series of entanglements begin as they are taken as kidnappers and fugitives from the law.

Pepe receives a notebook from his great-uncle containing the formula for making an atomic bomb. When some specialists dedicated to science discover it, they begin to send people to steal it.

A traveling coffee vendor lives in an astronomer's laboratory.