In front of businessman Roman Albertovich, his daughter, a student, Dilya, was kidnapped. Thanks to the Ivanovs, it turns out that Lilya was with the kidnappers at the same time, and the girl just wanted to escape from her domineering father. However, the abduction, which was staged, has become real and now the Dealer is facing death... Meanwhile, in the house of the Ivanovs themselves, an unpleasant ambergris: Tamara Petrovna undertook to brew a potion that repels Colorado beetles. The neighbors lined up behind him, and Tamara Petrovna had to take Katya as an assistant - to her misfortune. Having gained access to magical recipes, Katya screwed up and gave her dad and grandmother their "wrong" potions...