Boyhood friends grow up, form a tango orchestra, one of them writes a brilliant song commemorating their friendship before he dies.

Pedro, the grandfather, Maria, the granddaughter, José, who works as a consignee, and a migrant mother in Spain: these four characters tell us a story that unfolds in the intimate universe of a single place, a labyrinth of relationships and revelations that becomes a surprising metaphor for the country's past and present within a family: a terminally ill grandfather, a youthful love story, the old man who refuses to die, the new man who struggles to come into the world... only one solution is possible...