Manon, a troubled teenager of 15 years, lives with her mother in a housing project. One night, during a binge eating crisis, she plants a knife in her mother's womb. Miraculously saved, she is hospitalized for a few days. At the same time, the judge for children seized the case directed Manon to a closed educational center. While discovering the rigors of the institution, Manon confronts the clans of the residents of the center. Notably Lola, visibly a band chief who, with his accomplices, hides cannabis under the bed Manon to put it in difficulty with the authorities ...