在这部声音与愤怒剧情片中,马塞尔（布鲁诺·克雷默 Bruno Cremer 饰）成长在一个破碎的家庭之中，父亲离开了他，他和母亲过着相依为命的生活。为了养家糊口，马塞尔跟随着母亲搬到巴黎郊区的一个街区中，母亲整日忙于工作，留给马塞尔的只有无穷无尽的孤独。
马塞尔和母亲所在的，并非一个太平的社区，这里处处充斥着暴力，洋溢着犯罪的气息。一次偶然中，马塞尔结识了名为让（弗朗索瓦·尼格雷特 François Négret 饰）的男孩。让是一个终日游手好闲的小混混，在让的耳濡目染之下，马塞尔渐渐走上了歧途。刚开始孩子们只是小偷小摸，渐渐的，事态开始向不可控制的方向发展。
This drama depicts the misery of neglected children in big cities. 13 years old Bruno is of a good family, but since the death of his grandmother he spends most of his time alone, in a phantasy world, while his mother is away at work. But then he befriends the violent Jean-Roger, who's from a severely disturbed family, where nobody cares what he's doing. In school Jean-Roger drives their teacher into despair just for fun. To separate the two boys, she starts to stimulate Bruno's interests by giving him extra lessons. When Jean-Roger fears loosing his one and only friend, he becomes even more aggressive.
孩子的心理我们不知道？——曾经，我也是个孩子。
