In the 50's, the count Grandvalet lose his wife and his daughter in his castle's fire. A few days later, he's found in his barn. Twenty six years later, the arrival of a young woman, Marion Grandvaler, in the village revive doubts and suspicions.

When Paul dies, he leaves his wife Eve with a mountain of debt. As the police begin their investigation into Paul’s death, Eve is supported by a lawyer named Chollet, a friend of her husband who generously helps her to clear the debts she has inherited. Eve and Chollet become close, perhaps too close, and their intimacy soon begins to arouse the suspicions of the police..