Piotruś - together with his wife, mother-in-law and Leopold - moves to a new home: a historic manor house. And Marlenka decides to find a suitable ancestor for her family who will fit into the elegant residence... Agnieszka, in turn, pursues a career at the university, but right after defending her doctorate, she suddenly discovers that she is pregnant. And when little Kuba is born... problems begin! Piotruś accompanies his sister during childbirth and begins to dream of a child himself - to Marlenka's horror. Marcin, a new father, panics and suddenly disappears. In addition, the mysterious Kamila appears in Brzózki - a very pregnant girl who is looking for Zawada.