A teen party gone out of control provides the focus of this drama which explores the transitions of youth in a transitional time set in the post-disco, pre-punk, early 1980's. Ariane, a teenager, is rebelling against her father and her boyfriend Pierre. She decides to hold a small party. The party is crashed by a large crowd of rude outsiders who proceed to destroy her home. Afterward, Ariane must face her obsessive neatness.