Aglaya's father, the owner of a cosmetics company, is killed right during a video conference - in front of the company's employees. The Ivanovs find out that on the eve of his death, the man quarreled with his daughter's fiance, Viktor. And soon Victor is really detained, having found a gun in his possession. However, the Ivanovs are sure that the guy was framed, and the most loyal employees of the company are not at all who they pretend to be... At this time, in the Ivanovs' house, Katya is preparing for a school competition. Darina, who initially refused to help her, still decides to dance with Katya on stage. However, Valera has already taken the initiative - he is preparing a scientific experiment for a speech. And now the parents have to compete for the school competition and the attention of their daughter.