Buenos Aires, 1969. Eight-year-old Valentín lives with his grandmother. His mother disappeared when he was three, and his father is a carefree drifter who cannot take care of himself, let alone his son. Valentín is a lonely boy who longs for love and family. His days pass quietly between two dreams: becoming an astronaut and reuniting with his mother. However, his father refuses to talk about the past and continues to disappoint him by constantly introducing new, unpleasant girlfriends. Everything changes when he brings home Leticia, with whom Valentín instantly falls in love. This encounter transforms his childhood world and awakens in him the hope that love can take many forms.