A dying master sends his last student to check up on five former pupils, who each know a special style of kung-fu.

Chiang Shengas Yang De
Phillip Kwok Chuias Meng Tianxia, the Lizard / Constable He Yu
Sun Chienas Gao Ji, the Scorpion / Chief Constable Ma
Lu Fengas Zhang Yiaotian, the Centipede / Tan Shanhu
Lo Mengas Liang Shen, the Toad / Li Hao
Wai Pakas Qi Dong, the Snake / Hong Wentong
Johnny Wang Lung-Weias Justice Wang
Dick Weias Dying Head of Five Venoms House
Ku Fengas Bookkeeper Yuan
Lau Fong-Saias Menfa