Sunny is a naïve circus performer who dreams of inheriting his father's knife-throwing skills. However, his hostile colleagues continue to bully him, relegating him to a lowly clown. On a tour to Malaysia, Cheung and other performers discover a cave occupied by the Japanese army during World War II. Instead of finding treasure, the performers - including Sunny - are sprayed with a mysterious chemical that turns them into superhuman mutants...
Aaron Kwok
Sunny Li Fei
Shu Qi
Angel Chan
Wu Jing
Sun Hao
Zhang Jingchu
Cheng Xiuhua
Yuen Wah
Uncle Da / Tak
Collin Chou
Zhang Dachu
Tie Nan
Liu Zhenxing
Karen Cheung Bo-Man
Yao Li
