Valentina Milentyeva, a client of private detective Tatyana Ivanova, is in terrible grief: her beloved husband—father of a large, close-knit family—has been murdered. Vitaliy was a wonderful father not only to Valentina’s youngest daughter, but also to two children from her first marriage. There’s no shortage of people trying to profit from a rich widow, and Milentyeva fends them off weakly. Much more than that, she worries about one question: who killed her husband? She entrusts the investigation to Ivanova, and the result is promised to be astonishing…