Hong Kong antique dealer Ming Shu commissions Hu Bayi, Wang Kaixuan and Shirley Yang to look for the glacier corpse within the demonic kingdom from the legends of King Gesar. Having just escaped the "worm" valley, they embark on a new journey to unravel a curse.

In 1900, the mysterious murder of a white woman and a Native American man in San Francisco's Chinatown triggers a race against time as the Chinese suspect and the Native American's adopted Chinese son work to uncover the truth while a politician seeks to leverage the Chinese Exclusion Bill as well as the prevailing xenophobia and racism to close down Chinatown and elect himself as the mayor.