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...
Sunny Li Fei
Angel Chan
Sun Hao
Cheng Xiuhua
Uncle Da / Tak
Zhang Dachu
Liu Zhenxing
Yao Li
He Jun
Zhang Tiegen
Inspector Tong
Inspector Chan
KK
Youyou / YoYo
Fishing village chief
CSS Reporter
Dachu's Show Assistant
Policeman
Trapped Driver's Wife