Apaga... y vámonos Banda sonora (1981) BSO

A somewhat confused and strange young inventor, named Gustavo, is arrested by the police accused of being a terrorist. Through his statements we will know the truth of the facts. During his childhood he discovers that his father wants to escape to a place called Vesta aboard a spaceship made by himself. However, during the journey he loses his life. Now thirty years old, Gustavo, after a series of events, will try to repeat his father's journey.