Mateo, a musician at heart, finds his daily life turned upside down by the arrival of M ns, an enigmatic young Swede on the Erasmus+ programme in Madrid. In the shadow of his solitude, accustomed to his inner demons, he sees him simply as an intruder, an invader who has expelled him from his room.
As the days slowly pass, an unexpected bond develops between them. Emotions intermingle, plunging Mateo into a troubling confusion where the line between...