After witnessing man's landing on the Moon on television, several friends from the Spanish village of Minglanillas decide to do the same and build their own rocket.
A group of pre-university boys and girls experience all kinds of problems and joys that arise in their lives. Among other worries, they have to deal with the pressure of their studies, difficulties with their families and, of course, their first loves.
Alejandro Quesada (Fernando Fernan Gomez), an eminent doctor successful with women, drives his old friends Federico (Juanjo Menéndez) and Enrique (José Luis López Vázquez) to change their attitude towards life. The death of a common friend, Luis (Jesus Puente), reaffirmed in the attempt to enjoy their existence and seek the association of younger women than their wives.
