An imperial agent gets ridiculed for his various inventions, until his supportive wife encourages him to attend a conference, which's actually a trap to kill all the doctors serving the emperor, where his crazy inventions come in handy.
Stephen Chow Sing-Chi
Carina Lau Kar-Ling
Carman Lee Yeuk-Tung
Cheung Tat-Ming
Law Kar-Ying
Lee Lik-Chi
Tats Lau Yee-Tat
Kingdom Yuen King-Tan
Yuen Cheung-Yan
Yuen Shun-Yi
Poon Hang-Sang
Mimi Chu Mai-Mai
Chik King-Man
Alvina Kong Yan-Yin
Wong Chi-Keung
Wong Yat-Fei
Manfred Wong Man-Chun
Chan Kim-Wan
Charles Shen
Jackson Ng Yuk-Sue
Chun Kang Wang
Stephen Au Kam-Tong
Jimmy Wong Wa-Wo
Wilson Yip
Lee Kin-Yan
Gary Mak Wing-Lun
Pauline Yeung Yung-Lin