Jalil, a 26-year-old French teacher in a nursery school, cannot believe it. The day he wins the final of the TV game "Mr. Average", he meets Claire, the woman of his life, beautiful, sparkling and mysterious. A woman like he would never have dared to dream about... But how could he have imagined that Claire was in fact a young actress who would do anything for money, having been recruited by a market research company (the Somadi) to pretend to share his life with him for the sole purpose of personal gain?