1970s in French Riviera. Leaving behind her unsuccessful marriage, Agnes Le Roux comes back to her mother, the host of the Palais de la Mediterranee casino in Nice. Meanwhile, Cote d'-Azur goes through tough time because of back-room "casino war", property redistribution among criminal groupings, which escalates as it was tensions in family. With the casino losing money and mob rivals closing in, Agnes' mother Renee doesn't want Agnes' stake to go outside the family. But nor does she have the liquid cash to buy her daughter out. Next, Renee increasingly turns for advice to ambitious lawyer Maurice Agnelet, who helps maneuver the old-guard administration out and install Renee as board president. Unexpectedly, Agnes falls in love that carries into smithereens her fragile world by powerful explosion of outstanding passion. The man she fell in love with is not free in his own desires. Suddenly, her mysterious disappearance in the heat of these events rises a lot of questions, but does not provide any answers...