In order to raise money for her daughter's surgery, Jiang Junli accepted a special job - being a stepmother to two young children. She entered into a five-year agreement with her new husband, thinking it was just a deal where each got what he wanted. However, in their interactions day after day, she used her sincerity and patience to gradually ease the loneliness and uneasiness in the children's hearts, and also slowly melted away the cold-blooded husband's defenses. As the five-year appointment approaches, this once-cold home has already been filled with laughter, love and responsibility, making each other the closest family members who are not related by blood.