In Broad Daylight(1981)

Original title: W biały dzień

Set in 1905. The story focuses on a young and inexperienced man in a revolutionary execution squad. He does his killing job out of idealism, and for the love of a woman. The young student murders a Russian spy and is afterwards arrested by the police. Much to his surprise he is released after a session with the traitor-judge, hinting at some leaks in the organisation. Student reports his suspicions back to the organisation, but in response is given a new hit mission.