In the small town of Champigny, the Fréchard family is seen as the ideal family. Established for several generations, they run a thriving business managed by Maurice, the patriarch, and his two sons, Daniel and Paul. As for François, the eldest, he has devoted his life to the church and has just been appointed bishop, a great honor for the entire family. To celebrate this new status, a large family gathering is organized at Maurice and Christiane's house. But tensions quickly arise, and the dinner turns into a showdown. The next morning, the body of the youngest son is found lifeless, with only the family present. You are urgently contacted to solve this investigation as quickly as possible. You have at your disposal a complete investigation file: interviews with all family members, photos of the house where the tragedy occurred, objects collected from the crime scene, and many other documents allowing you to reconstruct everything that may have happened before Daniel's body was discovered. You are the detective!