Lu Jinran, a boy who grew up in an orphanage, was adopted and immigrated, and was separated from his childhood playmate, Xia Mo, who was blind. Nine years later, Jinran returned to his hometown and transferred to the senior high school where Xia Mo studied. However, Xia Mo, who regained his sight after the operation, did not know what Jinran looked like, and Jinran could not recognize the current Xia Mo. After the second "first encounter", the two fell into their first love, and the truth gradually became clear.