A gritty, action-packed crime drama set during the brutal Tong Wars of San Francisco’s Chinatown in the second half of the 19th century. The series follows Ah Sahm, a martial arts prodigy who immigrates from China to San Francisco under mysterious circumstances, and becomes a hatchet man for one of Chinatown’s most powerful tongs.
Young Jun faces a crucial decision after Mai Ling tries to drive a wedge between him and Ah Sahm, who has emerged as a hero in Chinatown and takes the opportunity to go on the offensive against Leary. Determined to take Buckley down, Penny goes to the press. Bill reckons with what he's become, and Lee seeks out a familiar face. Mai Ling finally plays her hand against the Hop Wei.