In public, he's a Beijing thug who uses counterfeit antiques to ingratiate himself with Japanese military bigwigs.
Behind the scenes, he's a secret agent for the Military Statistics Bureau, moving between Beijing, Nanjing, and Shanghai to infiltrate enemy territory, assassinate Japanese invaders, and steal classified intelligence.
But who could have guessed that the golden finger he relies on to stay alive hides a socially mortifying bug: it won't work unless he takes his clothes off!
With the land in ruins and the nation tossed by storms, he operates under the spy codename Bad Marshal, infiltrates deep into Japanese-occupied territory, and becomes the number one menace the Japanese can't shake.