A socialite bets that she can educate a lower class man and pass him off as a member of the upper class in a week.

The leader of "The Sons of the Brazen Joss," one of the Tongs, or Chinese social organizations, is murdered by Moy Wong, cunning leader of The Four Grains of Rice," a Tong of higher class and bitter enemies of the "Sons." Sworn to vengeance, the "Sons" await an opportunity to get even.