Countess Margarita Rostovtseva dreams of participating in the official investigation and meets the chief of the detective police, Zybin, who is busy investigating the murder of the nobleman Dolgopolov. The motive for the crime is unclear. There is a legend going around the city about an accessible woman - supposedly very skillful in love and hiding her face. Many gentlemen are looking for meetings with her and want to reveal her incognito. Meanwhile, two more victims appear. Maybe the culprit of the murders is the same Camellia - a high-ranking kept woman. They say that men are ready to do anything for her favor... This detective plot easily fits into the outline of the novel by the modern writer Sofia. Because she herself finds herself at the center of similar events: a certain lady kills rich men on the road and takes their expensive cars...