This icon is several centuries old. What kind of people and events have passed before the sad face of Our Lady of Tver. And here is a new test - during an exhibition in the museum, a guard is killed, and the unique creation of the ancient master disappears. Where is it, the lost relic? Will he appear to people again or will he disappear forever in the collection of some collector? It depends only on the best private detective in the city, Tatyana Ivanova, on her subtle calculation, willingness to risk her life, if necessary, and on her stubbornness, finally...