Three cops of different hierarchy are shattered by the tragic death of their beloved sister. They come across three murder cases and all murders follow a similar pattern like that of Masonic rituals.

In the French countryside at the beginning of the 20th century, Raboliot, who gets his name from looking like a burrowing rabbit, is a small-time poacher who loves and lives for freedom. Married with two children but traumatised by the war, it is only when he is out hunting at night that he feels really free and happy. But these escapades do not please the local policeman, Sommedieu, who is set on putting an end to them.

Christmas? The joy of rejoining the family and spending the most anticipated holiday of the whole year. Seeing family members you haven't seen for a long time and spending the holidays together like when the children were little. But the children have grown up and have new things to tell. This news will turn the traditional family reunion into a hurricane. The coming out of the homosexual son is almost an outing, but one that testifies to the love that binds the two gay lovers together.

An energetic teenager gives a hard time to her father, an artist, and her stepfather, an unemployed executive not very comfortable with young people.

The Cordier fight in family against the crime: the father is police captain, the son, investigating judge and the girl, a journalist.