Following the college entrance exam, Zhang Wansen intends to confess his enduring feelings for Lin Beixing. However, a sudden accident during a concert transforms everything into an irreversible tragedy. Surprisingly, an unaided Zhang Wansen is returned to that summer and reunited with Lin Beixing before the tragic event. The mystery behind this summer rewind appears more intricate than anticipated. Will Zhang Wansen be able to amend the indelible regrets this time around?
