In a car accident, Lin Ran heroically saved his former high school desk mate, the campus beauty, at the cost of his own life. When he woke up, Lin Ran found himself back in his 18-year-old high school classroom. The next moment, he saw the aloof campus beauty beside him with red eyes, tearfully throwing herself into his arms and tightly embracing him. Campus Beauty (excited and choked up): "I found you!" Lin Ran: "?" It turned out that his desk mate had also been reborn. Moreover, she was determined to make up for the regrets of their past life and win Lin Ran back. And thus, everything became chaotic.