After Bill and his men are confronted by an angry mob, Chinatown erupts into chaos, forcing the tongs to work together to protect their streets. As Chao and Mai Ling seek shelter, Mai Ling tends to an ailing Ah Toy. Sophie opens her eyes to Leary's world. Lee decides which side he's on.
Set at the times of the Tong Wars in the late 1800s in San Francisco, California, Ah Sahm is a martial arts prodigy originating from China who immigrates to San Francisco and ends up becoming a hatchet man for the most powerful tong in Chinatown.