A Polish ambassador (Zbigniew Zapasiewicz) finds his life falling into ruin following the death of his wife.

Young Poland period in Kraków before WWI. Young doctor Edward comes back from Paris and meets his friends belonging to artistic bohema.

Nikodem Dyzma immigrates from the eastern part of Poland to the capital in the hope for possibilities to make a living. He is in need, very poor and forced to look for basic food and shelter. Yet, on a day when an unexpected invitation appears, his life changes dramatically.

Three Polish mathematicians are the first to crack the sophisticated Enigma code used by the Germans just before the Second World War. They build replicas of the Enigma machines and manage to get two of the machines to the British and French code-breakers before the German invasion of Poland in 1939; they ask that recognition be given to their work at the end of the war. After the invasion, the Polish cipher bureau escapes and continues their decoding in Algeria and unoccupied France.

World War II. Lieutenant Bogdan Mayer is tasked with delivering a sample of valuable metal alloy from Warsaw to London.

A famous Polish journalist presents a problem for the powers-that-be when he displays his full political skill and knowledge on a television show featuring questions and answers on a world conference by a panel of journalists. His enemies take away his privileges when he is away. The shock of being "unwanted" parallels a deeper disappointment in his private life: his wife has an affair with a jealous young rival, and after 15 years of marriage and two daughters wants a divorce. She offers no explanations as he tries to untie these problems himself. All the moves he makes are the wrong ones. He takes on drinking heavily with students eager to attend his seminar after discovering the class has been canceled. The journalist, once suave and commanding, is reduced to silence.

The Milewskis are a middle-aged couple. Witold and Magda, both occupied with careers in managerial positions, create a solid, well-matched relationship. They have no children - this is Magda's decision, who preferred to pursue a career rather than take care of diapers. However, little remains of the bond they had at the beginning. Each Sunday, each of them cheats on their partner, and they both know nothing about it. Everything changes when Witold's younger brother Franek, a handsome geologist, shows up at their place.

The series centres around the investigations of Police Lieutenant Sławomir Borewicz. Each episode features a different case being solved by Borewicz.

The main character has quit school, makes a living by taking pictures. He seduces a nurse who treated his head wound which he earned in a fight. They witness a hit-and-run driver killing a little girl on a sled. He builds up an elaborate trap by putting a doll dressed as a child down the hill in the path of a car. The man hits it and thinking that he hit a child - runs. Marek takes pictures of him and tries to blackmail him to use his car for a week. He wants to use the car to win back the nurse, who could not cope with his humors...

A young journalist from Warsaw goes to a small town of Kamienica to prepare a report on a motorcycle gang.