Derues is a historical novel that explores the infamous life of Antoine-Francois Derues, one of France's most notorious criminals. The story begins in September 1751, with a group of schoolboys enjoying a rare moment of freedom outside their religious institution. Among them is Antoine, a frail and introverted child, often bullied by his peers. Under pressure, Antoine unexpectedly reveals a disturbing streak of cruelty by trying to harm another boy. This early act of malice foreshadows the sinister path he will take as he grows. As the years pass, Antoine hides behind a facade of piety and deceit, eventually transforming into a calculating murderer. His duality?between devout appearance and inner evil?ultimately shocks the French public and defines his legacy.