Jonas lives in a seaside town and has to deal with people leaving his town all the time. After his friend Giovanna has to move to the big city, Jonas isolates himself in his room taking turns between reading and watching with curiosity his neighbor, Gaspar, through the window. However, one day he hears a strange, incessant noise coming from his neighbor's house, a noise that seems to be being transmitted by a new girl in town, Sophia.