A tale of a young impoverished nobleman, who with his uncle returns from a war against the order of the Teutonic Knights in Lithuania. He falls in love with a beautiful woman and pledges an oath to bring her "three trophies" from the Teutonic Knights.
A young academy soldier, Maciek Chelmicki, is ordered to shoot the secretary of the KW PPR. A coincidence causes him to kill someone else. Meeting face to face with his victim, he gets a shock. He faces the necessity of repeating the assassination. He meets Krystyna, a girl working as a barmaid in the restaurant of the "Monopol" hotel. His affection for her makes him even more aware of the senselessness of killing at the end of the war. Loyalty to the oath he took, and thus the obligation to obey the order, tips the scales.
Set in the occupied Warsaw, the film tells the story of the mission carried out by the student underground resistance group to execute the hated SS General Franz Kutchera.
