The four sequences in the film cover four days in a life of young Warsaw lad in September 1938, 1939, 1943 and 1944. In the first sequence Jurek decides not to study in the Sorbonne but enlists in a Polish military school instead. In the second sequence the war starts and Warsaw is occupied. In the third sequence he works in the underground resistance. The final sequence takes place during the Warsaw uprising.
Small Polish village straight after WWII. Young man Zenek injured and awarded with Cross of Valour during partisan fight is torn between staying loyal to his partisan comrades (continuing their fight) and his own beliefs.
A retired police captain, Siwy, tells a reporter about his latest action, carrying on his own investigation into the mysterious death of a Eve Salm, a.k.a. Princess. She was a witness in a case where the defendant pled guilty and was sentenced to eight years in prison. Siwy doubts the defendant's guilt and risks his life to apprehend the real killer.
A retired police captain, Siwy, tells a reporter about his latest action, carrying on his own investigation into the mysterious death of a Eve Salm, a.k.a. Princess. She was a witness in a case where the defendant pled guilty and was sentenced to eight years in prison. Siwy doubts the defendant's guilt and risks his life to apprehend the real killer.