In Bolivia, at the end of the 80’s, Aaron, a 9 years old boy, lives in a world of delicate balance, easily moving from sadness to joy. This world is made of tiny events, from which rain – and in the end all forms of water- is the most beloved and mysterious one. Who is calling there? why everything is sad all of a sudden? What kind of nostalgia and what kind of hopes disputes him? The death of a beloved one exasperate this questions, till the point of departure.