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

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.

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.

After an accident in a smelter plant kills two workers a crane operator decides to take full responsibility.

A retired army colonel learns that years ago, during the 1939 September Campaign he was ordered to give medals to the ten bravest soldiers in his company. He asks his son to help him out, so he sets out on a journey to find surviving soldiers and judge if they are worthy of the honor.

A young man meets and falls in love with a woman met on a business trip.

Polish intelligence sends a mole into the ranks of a high-profile gang, the boss of which recently died in mysterious circumstances.

A young man strikes up an ill-fated romance with a married woman.

After her husband's death Stefania learns that her respected spouse, who was a university professor, had a flat of his own where he lead a second life.

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.