Hiking is the murderer's delight. The eleventh volume of the Provence crime series by bestselling author Pierre Lagrange. Autumn in Provence: A gloomy, rainy November - and in the middle of Lac du Paty, a dead hiker is found. Police captains Caterine Castel and Alain Theroux are investigating. The victim was a well-known real estate mogul. Do his shady dealings have anything to do with his death? Then a clue lands in the mailbox of former Commissioner Albin Leclerc. Apparently, a serial killer known as "the Darkness" is behind it, playing a gruesome game undetected for years. And this killer challenges Albin to catch him. The price: the Leclerc family. It's a matter of life and death, and time is slipping through Albin's fingers.