The Assassination Bureau (1969)

In the late 19th century, a group of skilled assassins forms The Assassination Bureau, led by Ivan Dragomiloff. When a young journalist challenges the Bureau's credibility and its ethical values, Ivan puts his organization to a final test. The assassins set out to hunt down Archduke Franz Ferdinand, but as they embark on their mission, they uncover a conspiracy that shakes their beliefs and forces them to question their loyalty.