Gu Wanqing is tricked by her stepmother and forced to marry the disabled heir, Huo Changqing, in a marriage swap. In the Huo family, she uses her intelligence to overcome countless schemes and hardships, standing side by side with Huo Changqing. Together, they expose the sinister plots of Huo Yaozu and others, successfully taking their revenge. In the end, Gu Wanqing builds a thriving career and finds happiness with Huo Changqing.