When the charming Grace, disguised as a nun, first met Reuben Jones, he was posing as a blind aristocrat. However, he instantly saw the light, noticing how the young nun exposed her lovely leg to hide a pistol behind her garter... From that moment their amazing journey began through the gambling halls and dark streets of Chinatown San Francisco, where two scammers in love learned that love can become the most risky, dangerous and exciting of all games.