After her senses are surgically restored, a formerly deaf mute teenager enlists in the army and is assigned to communications work. But her inexperience with even such simple tasks as answering a telephone lead her supervisor to conclude she is incompetent, and try to have her reassigned. However, a courageous action by another soldier leads him to reevaluate his judgment.
Wang Jiayou, a young worker at the Shanghai New Machinery Factory, is a man whose life is unorganized, does not pay attention to labor discipline, and often spends his youth in dance halls, skating rinks and cafes. When working during the day, he appears listless and often has accidents.
Da Xiang, a girl whose father died early, was deceived and sold to a brothel, and her desperate mother chose to commit suicide. Now a prostitute, she faces a tortuous life.