THIS GRITTY, SEXY, VIOLENT, PULSE-QUICKENING NEW ORIGINAL SERIESS FROM CINEMAX® is a crime drama set during the brutal Tong Wars of San Francisco's Chinatown in the latter part of the 19th century. Inspired by the writings of the late Bruce Lee, the story follows Ah Sahm (Andrew Koji), a martial arts prodigy who immigrates from China to San Francisco under mysterious circumstance and becomes a hatchet man for one of Chinatown's most powerful organised crime families.