Who killed Olivier Garcin? And why did he come to settle in the village where Florence, his adoptive sister, lives after 25 years of silence? This woman surely holds a key to the mystery. But Marleau quickly realized that the suspect, a talented blacksmith completely invested in the competition for the best blacksmith, was not at all cooperative. During his investigation, Marleau will go from surprise to surprise: from the real circumstances of the murder, to the characters who gravitate around Florence: her son, her lover, her best friend... All seem determined to protect it. And all had good reason to fear Olivier Garcin...