When Samuel wakes up on 1st January, he is convinced that the year ahead will bring nothing exciting or unusual - until a strange visitor bursts into his flat, determined not to leave. The appearance of Mishima, a young stray cat, leads Samuel to a strange encounter with Valdemar and his neighbour Titus, with whom he had previously never exchanged a word, and is the beginning of the incredible transformation that is about to occur in the secluded world he has built around himself.