On the day she celebrates her birthday, Jeanne (Isild Le Besco), a young actress, is told by her mother her father is an Indian she once met on the banks on the river Ganges. From then on, Jeanne acts with singleness of purpose: she leaves the rehearsal of the the play "Sainte Jeanne des Abattoirs" she had wanted so much to be in, accepts a shameful role in a poor movie just for the money, buys an air ticket and flies to India, where she both hopes and fears to meet her biological father...