After unexpectedly losing her husband, He Yujia is shocked to discover that her late spouse was actually the eldest son of the city's wealthiest family. Summoned by her mother-in-law to live with the Song family, she finds herself at odds with her brother-in-law. Initially, they can't stand each other, but gradually they develop a deep mutual respect and affection. However, bound by their familial ties, they maintain a cautious distance. It isn't until a significant crisis that they finally acknowledge their true feelings for each other, and in the end, they become a loving couple.