Ming Toy is on the auction block in China. She is saved by Billy and taken to San Francisco by Lo Sang Kee. To save her from deportation she is sold to Charlie Yong, the Chop Suey King. Billy kidnaps her with plans of marriage.
When Joe, a hold-up man, tries to rob Mary, a nightclub hostess, she winds winds up knocking him out. She takes pity on him, however, and nurses him back to health. He decides to go straight and marry her. Mary buys a $1000 Liberty Bond as an investment, while Joe saves up and buys a taxi to start his own business. Then Maisie, Mary's wild and money-crazy sister, shows up, which leads to tragedy.