Sadie Martin owns a riverboat that is frequently used by miners traveling to their claims. During their trip, the miners drink and gamble. Sadie's daughter, Helen, is unaware of her mother's work because her mother sends her to boarding school in order to live a lifestyle more attributed to the upper-class. Unfortunately for Sadie, she is facing difficulty maintaining the costly riverboat. She is soon forced to sell the boat in order to make ends meet.

In his attempt to be the most powerful man in the world, Justin Taylor, leader of a sinister Ninja army, has become the largest narcotics smuggler in the orient. The U.S. Drug Enforcement Agency and the Hong Kong Police have joined forces with the CIA and a brilliant policewoman, the awesome Amazonia, to bring down Taylor by any means, at any cost.