Katie (Alexandra Lamy), who works in a chemical factory, is a single mother whose husband runs away from home, leaving her and her 7-year-old daughter Lisa (M é lusine Mayance) to live together. One day, the extremely depressed Katie meets the Spaniard Parco (Sergi L ó pez), a Spaniard in the same factory, and the two quickly fall in love with each other, and soon have the crystallization of love-a little boy named Ricky (Arthur Peyret). However, the reality of life is gradually replacing the romance of love, and Paco and Katie are exhausted and quarrelling by work and children. One day, Katie found redness and swelling on Ricky's back, so she had a conflict with Paco, and the two broke up. Soon after, Ricky grew a pair of wings on his back, which amazed Katie and Lisa. Mother and daughter decided to keep the secret in order to protect Ricky.