漂亮的戴嘉从立陶宛移民到法国，正在找地方住与工作。泰奥是一位努力奋斗的音乐家，他的兄弟卡米尔则是一名变性的舞蹈者。他们三人之中有一个与震惊巴黎一时的“奶奶杀手”有密切联系。

　　Coming of age film about Sven, a boy who feels trapped in his own family which only consists of duos. His brother Alex in return tries to keep Sven