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.

• Win's Movie Production Limited
• Samico Films Production Co., Ltd.
• 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