The fate of an orphan is unenviable! After the death of his best friend, the manufacturer Prozorov took his daughter Margarita into his house and raised her together with his native Varvara. Raising girls was no different, but deep down Varya always despised her childhood friend. And then they grew up, and a man stood between them - Prozorov’s manager Dmitry secretly met with Margot, and decided to marry Varvara... Margot did not remain in debt - she married... her guardian! True, after some time Prozorov died under strange circumstances, and his young wife was accused of murder. Investigator Serdyukov, an excellent analyst and heart expert, was assigned to handle the case. He was extremely surprised when he learned that some time ago Margot was visited by the village sorcerer...