Captain Renaud Delaunay and his assistant Laura Mizon need to trap a particularly tough and manipulative murderer who's fully familiar with the police's methods. But then he would be, he's the investigating judge Philippe Sevran.
On the evening of her wedding, Iris is murdered in cold blood by Mathilde, the wedding planner. The scene is carefully orchestrated to disguise the death as a suicide. Will Superintendent Roche be taken in?
A woman is in a psychiatric facility and an award winning mathematician visits her, saying he will help her escape. When one of them winds up dead, detectives Roche and Majeski expose lies and uncover the truth.
Size counts: A woman disguises her husband's suicide as murder so that a third person is accused of the fake crime. But why? What are her motives? Will those investigating be so easily fooled?