Five-year-old Doudou goes on a blind date on behalf of his father, but repeatedly faces cold treatment due to his ordinary background. Single mother and truck driver Xu Xiaowen steps forward to clear up the misunderstanding and is moved by the child's sincerity. From getting to know each other to walking side by side, Tang Chuan and Xu Xiaowen, along with their two children, accept one another; facing the entanglements of their original families, they guard their dignity and careers, ultimately forming a warm new family.