In Oscar's world, the men in suits live in skyscrapers. They are happy, never run away and never cry. Until one day, one man hides and the rules fall apart.
Santi is a 10 year old boy who, after discovering that his grandfather Pelayo is deeply affected by the death of his wife and suffering from Alzheimers, finds, through fantasy and old comics, a way to help his grandfather get back the will to live.