Factory belle Flora Zane is envied by her apprentice, Marie Sullivan, who sets her up to be sent to an old man's room. However, by a twist of fate, she ends up spending the night with Marie's adoptive father, the richest man Kai Graham, and becomes pregnant. Although Kai dislikes her, he is forced to take care of her. Meanwhile, Marie continues to relentlessly plot against her, even attempting to harm her unborn child.