From the author - winner of many prestigious literary awards, whose works are published in 28 countries, all the books of the writer acquired the rights to film. Two years in the top 10 worldwide! 10,000 enthusiastic responses on Amazon. com! The absolute book sensation of recent years!Everything was ready for the celebration of the five-year anniversary of married life, when suddenly one of the perpetrators of the celebration disappeared inexplicably. There were traces of fighting in the house, blood that was clearly trying to be erased, and a chain of “keys” in the game called “treasure hunting”; a beautiful, intelligent and incredibly inventive wife arranged it every year for her adored husband. And it seems that these "keys" - she placed here and there strange notes and no less strange trinkets - give the only chance to shed light on the fate of the disappeared. But will not the "hunter" in the process of searching to reveal to the world and a couple of their own unsympathetic secrets?