The story revolves around the relationship between two sisters, Olga and Irina, who have always had a close bond since childhood. However, their mutual affection starts to fade when Vyacheslav moves into the neighborhood. The young and handsome Vyacheslav becomes the object of both girls' adoration, and they don't hesitate to confess their feelings to him. Vyacheslav chooses Irina, leaving Olga unable to accept her sister's personal triumph. In her desperation, Olga turns to the witch Glafira for a love potion. She receives a powerful potion that can influence Vyacheslav's choice, but now the entire family will have to pay a high price for the happiness of the protagonist.