The brilliant side of Joan Miró is well known to us, but the truth is that he was tormented by the idea of losing his ability to provoke. He had a sometimes destructive personality. As his grandson, Joan Punyet, states: ''Miró could be a treasure by day, but also a monster by night''. This documentary aims to provide a new perspective on the character and work of this genius, focusing on the lesser known aspects of his personal universe.