Frustration plot
Adélaïde lives with her sister Agnes and his husband Michel. While Michel and Agnes are on good terms in their marriage and happy, Adélaïde is frustrated. She is haunted by bizarre fantasies from her childhood. She looks back fondly on the days when she and her sister were closer together and there was no outsider in their relationship. In an attempt to win back her sister, Adélaide makes up his mind that Michel has a mistress, but without success. Eventually she can no longer tolerate the situation she is in and she becomes aggressive and violent so that she completely loses control of herself.