Twelve ordinary people are called for jury duty for a murder case as traumatizing as it is controversial in which a woman stands trial for killing her own blood.

蘿西和媽媽搬到布魯塞爾的另一端，住進新的公寓大樓，認識了鄰居慕沙，一個喜歡嘻哈音樂的男孩。儘管大樓頂樓禁止進入，兩人還是常常結伴上去玩，逃避生活中的不愉快。在那裡，慕沙答應蘿西要陪她去探望正在坐牢的爸爸。媽媽早就不想再跟爸爸有任何瓜葛，蘿西一心只希望爸爸媽媽復合，再次擁有一個完整的家。有了慕沙的幫忙，她的願望真的能夠實…