Xu Wan and Jiang Nian were childhood sweethearts. Because of Jiang Nian's father's work, Jiang Nian's family moved from Nanjiang City to Yuanjiang City. Jiang Nian and Xu Wan were in the third grade of elementary school when they moved away. The child has lost contact. The adults still kept in touch. Later, when Jiang Nian was in fifth grade, Jiang Nian's father, Jiang Huai, died of illness. Later, Jiang Nian's mother, Xue Shuyi, remarried Gu Xiuyuan when Jiang Nian was in third grade. At the same time, he also had a half-brother, Gu Xingci. Gu Xiuyuan and Gu Xingci were very good to Jiang Nian, but Jiang Nian. Still can't accept that Xue Shuyi remarried. Jiang Huai and Xue Shuyi were so loving once, but Xue Shuyi still remarried. In high school, Jiang Nian chose to go back to Nanjiang City to study in high school, and stayed at Xu Juan's house with Gu Xingci. During the trip after graduating from the third grade of junior high school, he met Xu Wan, and later they recognized each other. Later, Jiang Nian went to Nanjiang No. 1 Middle School and was in the same class as Xu Wan.
Xu Wan: "How can I be happy?"
Jiang Nian: "It's really easy to give up, but it will definitely be cool to persist."
Mission: Small world, happiness comes first