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 Fran... (more)cisco’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.