Spending a vacation in a secret city that carefully guards its dark secrets - what could be more exciting? Having agreed to replace a friend who worked as a costume designer at a local theater, Daineka had no idea what passions were boiling in the world of dusty backstage and old sets! Having found among the props the things of a girl who disappeared thirty years ago, Daineka experienced fear and excitement at the same time - she never expected that this seemingly ordinary event would shake up the established, calm life of the town and force the witnesses of that long-standing story to once again resurrect in their memory what they were all about chose to forget... Pulling a thin thread, Daineka, step by step, fearlessly approached the denouement, not only solving an old murder, but also discovering traces of a grandiose scam associated with the theft of countless treasures from the country's largest museums - they led right here, to the underground bunkers of the closed cities...