She will solve the riddles—or become the next victim. Nika arrives at a writers’ retreat in an old estate among deep, silent forests to forget her heartbreaks and write her first book. Inspired by a local legend, the girl decides to uncover the mystery of the countess who disappeared without a trace from the estate 150 years ago. But revealing old secrets is dangerous—you might pay with your life! The police believe it was an unfortunate accident, but each of the dead received a letter with a riddle a couple of days before their death. How do you solve ancient riddles—and what really happened to the countess? It seems like it’s all a game. But then a letter with a riddle arrives, and the game becomes deadly. Especially since everyone in the estate has their own secrets… Two women, two centuries, one mystery. Solve the riddle—before it becomes too late… Almost a gothic novel by the winner of the Russian Detective Prize, Season 3.