Big Bill finds himself compromised by his gambling excesses, but discovers a possible solution after an opium-den raid. Penny reveals the circumstances that prompted her to marry Mayor Blake, who’s determined to show voters he won’t tolerate San Francisco’s “Yellow Peril.” After meeting with leaders of the Fung Hai tong, Mai Ling offers Ah Sahm a way out of a protracted — and bloody — tong war.

Transporting precious cargo via stagecoach through the Sierra Nevada, Ah Sahm and Young Jun are forced to spend the night with three strangers at a frontier saloon in the middle of nowhere. The detour turns perilous when Harlan French, a notorious outlaw, shows up with his henchmen, looking for a lucrative payday.