Clara is a self-demanding, perfectionist, nine-year-old girl. Despite her efforts and renunciations, she gets a failing grade in Physical Education. She has embarked along a path ofobsessions and self- deception that will lead her to fall into a bottomless pit. A journey through darkness on which she’ll lose everything and where the people close to her, in particular her parents, riddled with doubts and questions, will be the beacon to show her the way out of thetunnel. Will she manage to do it?