Tatiana Larina, accidentally noticing in the album Pandalevsky's mother's photo, is trying to find out the details of her life. But Eduard Borisovich can not say anything significant - too much time has passed since then ... Tanya Zakharzhevskaya with the help of investigator Nikitaenko, who returned from a long trip, settles the conflict between Angela and Hamlet. However, the main Tanya problem remains unresolved: the physical incompatibility of Nyuta with her mother again makes herself known in the form of another attack of allergy-this time in the child ...