The guests came to the dacha... Or rather, to the country house of the widow Larisa Artemyeva. But - alas! — not all of them left there safely. One drowned, another was hit by a car, another fell unsuccessfully and crashed. In addition, someone strangled the elderly aunt and poisoned Larisa's stepdaughter. There is something to worry about, especially since Larisa has reason to believe that the killer’s main target is her – young, beautiful and rich. Who is this inexorable pursuer - an envious friend, a stepson, the first wife of a late husband, or one of the guests - a man with a scarred face? And then Larisa finds a package of medicine that seems to shed light on these many questions...