"1986: Adrien, Etienne and Nina are 10 years old when they meet at school and become inseparable. They promise each other they will one day leave their provincial backwater, move to Paris, and never part. 2017: A car is pulled up from the bottom of the lake, a body inside. Virginie, a local journalist with an enigmatic past, follows the case. Step by step she reveals the extraordinary bonds that unite the three childhood friends. How is the car wreck connected to their story? Why did their friendship fall apart?"--Provided by publisher.