The Akimovs have a new problem: this time, six-year-old Kolya caught a virus in kindergarten. The apartment's inhabitants are divided into two camps — those who are afraid of getting infected and not going on a date, and those who, on the contrary, are trying their best to go to bed for a few days and skip the biology test. But the situation is complicated by Kolya's principled position about treatment: it is impossible to persuade him to take pills. Stubborn Vika is not going to give up without a fight, because mom usually somehow manages to outwit the patient. All that remains is to unravel this secret method.