The fictional background of the Republic of China was dominated by warlords and numerous business gangs. The heroine is a female agent who became anonymous after the fall of the previous dynasty. In order to investigate the truth behind her father's murder, she disguised herself as a weak woman to marry a Shanghai business tycoon. The male protagonist appears to be a serious businessman, but in fact controls the underground intelligence network. The two started an intellectual and emotional game in a fake marriage, and finally found each other's true love in the war of troubled times.
