A housekeeper murdered in her apartment takes Cherif and Briard into the world of indentured workers, where they must separate fact from fiction.

Investigating the double murder a successful novelist and his agent, Cherif and Briard are confronted with a complex family history.

When five people are found murdered in a retirement home, Cherif and Briard soon realize that the victims were simply collateral to a deadly revenge.

The murder of a chef in his own establishment plunges Cherif and Briard into the world of gastronomy and all the power struggles that power it.

Chérif and Briard are thrown into the world of academia when a student is killed whist calling the police, leaving a recording of their own murder