Jonathan Touvier, a former mountaineer fifty years, wakes up at the bottom of an abyss. It is held prisoner by a long chain that encircles her wrist and is firmly attached to the rock. He does not understand why he finds himself in this uncomfortable position. But he is not alone, there are also Pokhara, his dog, a young Beur Farid chained by the ankle and Michel Marquis, a big burly of his age, which seems free to move but wearing a mask securely locked iron. A letter warns that if Marquis would move away more than fifty meters from the other two, the mask filled with explosives jump. In addition, the three unfortunate discover this cryptic message: "Who is the liar? Who will be the thief? Who will be the killer? " So begins an absolutely demonic survival adventure. The nerves of the poor player are severely tested. The dramatic tension of this huis clos improbable and suspense are unsustainable. How will these people survive in terrible conditions where they are? Why did he do it this abominable trap laid for them? It goes without saying that once playback is started, the reader can not let go of this highly original thriller that will be reserved for amateurs (trices) thrills. Sensitive souls will abstain because this case often borders on horrible, gore. When man finds himself in survival mode, the worst horrors become possible. Thilliez and has not bothered to not put the package in that particular register. Fear and thrills guaranteed ...