1962 Japanese movie
A union-busting Yokohama dockworker learns that the loyalties that rule his life are based on shaky foundations. Believing that his manager was responsible for saving his life as a baby, he falls victim to a manipulative cycle of deceit and revenge.
A love triangle develops between a benevolent student, his innocent girlfriend, and a cruel petty criminal, all as a point of diagnosis of a social disease that had Japan slowly succumbing to lawlessness during the post-War era.