The fragrance of locust blossoms in Old Locust Lane enfolds the eighteen years Lin Wanxing and Jiang Yu have spent side by side. They are bickering childhood neighbors, growing up amid endless squabbles. He acts tough but has a soft heart, always taking her side, while she is too innocent and oblivious to realize how he feels. A mistaken romance leaves her badly hurt, but he stays by her side with unwavering tenderness. At last, the deep love he has hidden for more than a decade comes to light. From childhood sweethearts to lifelong partners, the evening breeze understands her heart, and her childhood companion stays by her side year after year, bringing all the tenderness of youth to a perfect conclusion.