In Hong Kong, Circa 1940s, World War II, private detective Yoyo and friend Inspector Teddy Robin join a resistance group during the Japanese occupation. They aim to steal back the formula to the atomic bomb from a war traitor and transfer it to an American before the formula ends up in the Japanese emperor's hands.

• Cinema City Company Limited
• Cinema City Company Limited (Hong Kong)
• George Lam Chi-Cheung
• Teddy Robin
• Brigitte Lin Ching-Hsia
• Eric Tsang Chi-Wai
• Shing Fui-On
• Tsui Hark
• Karl Maka
• Dean Shek Tin