在化学品厂工作的凯蒂(Alexandra Lamy 饰)是一位单身妈妈,她的丈夫离家出走,只留下她和7岁的女儿丽莎(Mélusine Mayance 饰)相依为命。某天,极度压抑的凯蒂邂逅同在一个工厂的西班牙人帕科(Sergi López 饰),久旷男女干柴烈火,两人迅速陷入热恋,并很快有了爱情结晶——名叫瑞奇(Arthur Peyret 饰)的小男孩。 然而,生活的现实逐渐取代爱情的浪漫,帕科和凯蒂被工作和孩子弄得疲惫不堪,争吵不断。一日,凯蒂在瑞奇后背上发现红肿,她因此和帕科发生矛盾,两人也由此决裂。不久之后,瑞奇的背上竟然长出一对翅膀,这令凯蒂和丽莎惊叹不已。母女俩为了保护瑞奇决定守住这个秘密……Katie, a single mother living in France with her daughter Lisa, struggles to make ends meet while working at a chemical factory. There, she meets Paco, a co-worker from Spain. Soon, they move in together, and Katie becomes pregnant. Katie gives birth to a baby boy, named Ricky, and she and Paco raise him together in their tiny apartment, along with Lisa. However, it soon becomes apparent that Ricky is no ordinary baby; he develops a pair of functioning wings and becomes able to fly. Soon he is flitting about in their tiny apartment, and together Katie and Paco struggle to raise and handle the ever-growing Ricky.