It is an imaginative and moving adventure, providing pure family entertainment that tells the story of brothers Óscar, 13, and Teo, 11, very different from each other, who live in a modest apartment. The action takes place during the summer of 1989, while the mischievous Teo is a football fan, Oscar is a know-it-all who recites the theory of relativity by heart. But in reality they each deal in their own way with the disappearance of their mother: a promising scientist who died in an accident while researching the phenomenon of wormholes in the universe.