In 1900, a white woman was murdered in Chinatown in San Francisco, and the suspect was a Chinese man. The murder caused social shock, and people demanded the closure of Chinatown.
An ex-military doctor finds herself in a deadly battle for survival when the Irish mafia seize control of the hospital at which she works. When her son is taken hostage, she is forced to rely upon her battle-hardened past and lethal skills after realizing there’s no one left to save the day but her.