The Mussi are three protective elves of childhood and nature that with their action repair and monitor the well-being and balance of human beings on the planet.

Germán is Argentine by birth, but has lived in Spain for thirty years with his wife Rosa and his daughter Lucía. On the day of the young woman's birthday, he receives a phone call that will force him to confront his past in a violent way. This Argentine exile then has to deal with the terrible experiences he experienced during the Argentine dictatorship while overcoming his current family problems.