Jiang Wan took the initiative to marry her family and started a contract marriage with the low-key and reserved Bai Jingyan. The two warm to each other, work together to resolve family prejudices and unprovoked disputes, gradually see through various schemes, and exchange sincere love for each other. His grandmother is seriously ill and the family's debt suddenly arises. In times of crisis, Jiang finds his grandfather's letter and key from his childhood belongings. The dusty past and goodwill legacy of his ancestors are revealed. The two work together to build a stable and bright future.
