So goes to the U.S. to open a martial arts school. Around this time, many Chinese people were sold off to U.S. railroad companies, and were brutally treated by the Americans under the harsh working conditions. Thus, the American workers' hatred towards the Chinese immigrants is high. As a result, So gets into trouble with the Americans and the mob, and calls Master Wong for help.

Ximen Debao is an innkeeper without big ambitions. In order to attract business, he instructs his younger brother Tu Hao and his friends to pose as robbers and rob passers-by, and at critical moments he assists them by posing as a saviour and crime-fighter, and then guides the customers into the shop. The good times don't last long, as Tak Po's scam is exposed by a mysterious monk who finds it difficult to continue. In the meantime, the assassin of Lingzhou, He Snap, kills the imperial envoy in order to seize the treasure map hidden in the inn, and frames Debao for the crime. Overnight, Debao becomes a wanted criminal and his son, Yau Fei, dies. In order to take revenge, Debao begins to train with a monk.

Super-soldier recruit Tsui Chik is forced to escape with his comrades after the project is canceled. Months later, he's trying to have a quiet life as a librarian with his best friend, Inspector Shek Wai-Ho. However, a string of vicious gangland murders begins that has all the markings of Tsui's former compatriots who seem to have turned to crime. Realizing that the police are helpless, he decides to take them on himself. With a disguise, Tsui becomes the mysterious superhero known only as Black Mask.