The action of "The Office PL" takes place in Siedlce, at the headquarters of the "Kropliczanka" mineral water company. Its president, Michał, is a man devoid of self-reflection, who strives for attention and recognition with every word and gesture. When the company is taken over by a new owner, and employees start to worry about their jobs, only Michał is optimistic about the changes. Business changes are intertwined with everyday office activities of "Kropliczanka" employees.

Warsaw, 1968. Students protesting against the illegal expulsion of their colleagues from university and in defence of play Dziady, directed by Kazimierz Dejmek and performed at the National Theatre, which has been taken off the bill. Among the protesting young people are also Hania and Janek. Their families are on both sides of the March barricade. Young and madly in love with each other, like in Shakespeare's Romeo and Juliet in a country in revolt, they fight for their affection. Will their love survive? Will they be able to overcome the adversities that fate throws at them?

Anything can happen during Christmas Eve. Mel has to face new professional challenges and adapt to the new standards prevailing at work. Then Karina and Stephan plan to introduce serious changes in raising children. They decide to change their approach and apply somewhat sophisticated educational methods. A new woman will step in between Karolina and Filip, and the past will be reminded of Rudolf.

Dawid is an ordinary boy who builds a legal drug empire and becomes an overnight millionaire. Sudden fame, beautiful women, fast cars, endless partying, confrontations with gangsters, and dealings at the highest levels of power—this is his new world, where the line between legal and illegal is as thin as the line in a mirror. When an ethical cop arrives, everything is at stake. Will Dawid be able to stop him before it's too late? Will love save him from ultimate collapse?