Wu Min Chan and Kuang La Lung are subordinates of Commander of Northern Province, gunning for the post of Garrison Commander. On Wu's side are Shi Wen, and Sha Chung, while Kuang was assisted by Pei Chiang, Si Ma, and Niu Chung. Soon Shi gained power and sent Niu to kill Wu with Lui Yan's dagger, causing Lui Yan to commit suicide before the Commander. Niu became possessed with self-reproach, and was jailed for being drunk. Shi sent Pai Siow Lan, Niu's sweetheart to poison Niu. Pai drank the poisoned drink, and begged Niu to escape. Realizing Shi's true character, Niu went to seek Shi. In the end, Niu committed suicide after killing Shi.
Polly Shang Kwan and Sam Hui are con artists who befriend a family of street venders and entertainers. The group constantly faces financial problems as they are ripped off by thugs, their rent is raised and car breaks down. Polly Kuan (who portrays a man for the entire film) lies, cheats, and steals to come up with the cash that everyone needs. Things get more serious when triad thugs kidnap the daughter of the family, and sell her to a triad boss, killing Carter Wong in the process.
Two people, who were taught by the same Kung Fu teacher, meet again after 10 years. Toe has become a policeman and has to investigate which ruthless gang has been terrorizing the railway. Tjeu has become a gang leader. After a while Toe finds out Tjeu is the man behind the robberies. This can only lead to one thing: a tough duel.