Twin brothers Lan Junyu and Lan Shaojie were forced to live a vastly different life due to their divorced parents when they were young. Years later, the two brothers met again, and Lan Shaojie witnessed his younger brother Junyu living in poverty and being excluded by his classmatesThe life decision was to exchange identities with Lan Junyu, and as a result, Lan Junyu entered the best school in Qingjiang City under the name of his brother. At school, Lan Junyu met Luo, who had a strong sense of justice and loved to stand up for others, but repeatedly accused and falsely accused himXi, upon learning that Luo Xi had helped Li Xin, the son of Lan Shaojie's stepfather, he decided to step forward and help Luo Xi. After that, although Lan Junyu lost his position as the president of the student union, he was granted the same positionThe inner support of students. Just as Lan Junyu was planning to end this identity exchange, he was told that it was far from over. His mother, Jiang Xiu, told him the plan behind this exchange. Although unwillingYi, but with the joint persuasion of his mother and brother, Lan Junyu still accepted the plan, and he became the shadow of his brother from then on.