The Tantai family of a merchant family was in decline. The daughter Tantai Yan, who had lived abroad for a long time because she was not loved by her father, came back after the family went bankrupt. She met Shi Sheng, a Confucian businessman, and unexpectedly became his 'mistress'. Shi Sheng had a grudge against Tantai's family, but he doted on Tantai Yan. Tantai Yan gradually fell in love, but found that there was an ambush behind the incident.