Kuba buys Paula a birthday present that surprises his mother. Ludwik gives Natalia an exceptional gift, but not with exceptional results. Kuba, Filip, Agata and Paula do a psychotest, the results of which leave many doubts.
Natalia is concerned about Ludwik's unhealthy eating and worries about his condition. Kacper feels unloved and wants to move out of the house. Natalia arranges a feast of organic produce.
Kacper puts the whole family to the test by seeing what would happen if he went missing. Marysia despairs that she will never find a man again as a mother with a child. The younger Boskis set up a profile for her on a dating site.
There's a lot going on at Boskis as usual. Maria and Viola are jealous of Natalia's husband. Paula tries to force a love confession out of Kuba. Kacper, though he did not want to, revealed Natalia's secret to his father.
Kacper admonishes Kuba about his behavior towards women. Natalia gets mad when she loses data from her computer, and the "support" of the whole family makes the situation worse and Boska explodes with anger.
Marek and Natalia reprimand Ludwik about his weight. Kuba and Paula try to get Kacper out of the house for an evening alone together but his younger brother has a surprise for them. Natalia announces to her husband that she is pregnant.
A pleasant Sunday dinner turns into a family argument. Kuba forces Kacper to return the money he borrowed. Ludwik eats at night despite his diet. Magda tries on Natalia's wedding dress.
Boska inspired by French culture serves her family snails for dinner. Zosia makes Kacper and Kuba realize how much they love each other as brothers. Kuba bursts with pride when he learns of Kacper's next failure at school.
Tomek thinks he catches his parents in a very awkward and embarrassing situation. Paula forces information on Kuba about a birthday surprise for herself. Magda clarifies her doubts about the wedding with Natalia.
During an evening meeting at the Boskis' house an argument breaks out between Ludwik and Marek. Agata runs into Ludwik in a relatively awkward situation. Boska is jealous of her husband's contact with her youngest son.
Ludwik makes Tomek aware of the expenses that await him after his marriage to Magda. Marek gives Agata a lesson in good manners. At the Boskis' house preparations are underway for a dinner that Bolo is hosting.
Natalia books an evening to spend romantically with her husband. Tomek is annoyed by more arguments with Magda, which further convinces Natalia that the wedding will be a mistake. Paula catches Kuba and Agata in a very ambiguous situation.
Kuba and jealous Paula once again argue about Agata. The Boski family prepares for a family trip to celebrate Kacper's birthday. Natalia still has reservations about her son's wedding. The family is having a great time at the amusement park when unexpectedly Tomek and Magda's wedding comes into question.