Matías and his younger brother Jaime are left to their own devices in an adult world. When Jaime is caught stealing, Matías must convince a stranger to act as their father.

Blondi and Mirko live together, listen to the same music, watch the same films, like to smoke pot and share the same friends. But, even though they seem to be the same age, Blondi is Mirko's mother.

Santiago decides to start a family with his girlfriend Ana, even though she is pregnant with her ex, Pancho's. However, the real challenge will come when Pancho unexpectedly returns from Miami to get involved in the pregnancy, unleashing a series of comical and chaotic situations in his home.