Mary and her son Buster live in a single room in the slums of the city, having been deserted by their husband and father, wealthy Spencer Wellington. While selling newspapers, Buster meets Wang.
Loey Tsing, the first love of Chan Wang, is sold into slavery by her father. Although Chan marries another, he still loves Loey; only the birth of a son relieves his unhappiness. He adores little Chan Toy even though he finds nothing to like about his wife.
The Chinese prince T'Su Wong Shih loves Quan Yin, the daughter of a gardener, but his uncle wants him to marry a girl of his own class. Leaving to study in the United States, the young man promises his beloved that they two will be together soon. Having finished university, one day T'Su Wong Shih...