Hussar hides from the Zhuravlevs the true purpose of his visit. Having deceived his friends, the guest from the past takes Kostya as an accomplice and plans to steal the diamond brought to Moscow by a descendant of Ratford.

Katya and Mitya can't decide who should earn money and who should take care of the child.  No one wants to give in, so Rylsky becomes the babysitter for a while.