Trainee Inspector Yuan Hui is well-known in government departments and the underworld. He is friendly and unconventional. He is on good terms with his subordinates Yeh Chiu and Shih Kou-kung and often appeases them, winning their respect. Lin Hsi-wei, returned from overseas, becomes Yuan Hui's superior. A stickler for forms who exercises strict control over Yuan's subordinates, she often quarrels with Yuan. Shih Kou-kung reaching retirement age, applies for extension, but Hsi-wei turns it down due to dissatisfaction with his working attitude and plans to have a new man Ma Jo Chi replace him, thus earning their hostility. On the wedding day of Yen Chiu, his girlfriend Yuan Chiu-yen, resenting his change of heart, kills herself in public, causing him much embarrassment. Subsequently, they discover a videotape recorded by Yuan alleging vengeance on him even at death……