The residents of an apartment complex in World War 2 Poland face a moral dilemma when they discover one of their neighbours is hiding a Jew.

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.

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

Stanisław Maria Rochowicz, a bumbling art historian, is falsely accused of stealing a painting. The alleged thief faces five years in prison. Desperate, he decides to hide in disguise as a woman until he can paint a copy of the stolen canvas. Lacking means to live, he has to work for some time, of course, as a woman. He gets a job as a domestic helper. However, he has no luck with employers.

Stawka większa niż życie is a series about the adventures of a Polish secret agent, Hans Kloss, who acts as a double agent in the Abwehr during Second World War in occupied Poland.

At Kuba's wedding an unknown woman comes up to him and accuses him of cheating on her. This causes Kuba's soon-to-be wife, Majka, to leave him. It turns out that the woman, Lola, confused Kuba with his boyfriend, famous guitarist Johnny, so Kuba embarks on a journey to find him and prove his innocence.

A group of juvenile delinquents working in a shipyard try to clear themselves of a false accusation.

Love at Twenty unites five directors from five different countries to present their different perspectives on what love really is at the age of 20. The episodes are united with the score of Georges Delerue and still photos of Henri Cartier-Bresson.