Chen Fan, suffering from a terminal illness, is reborn in the year 2000 and meets his childhood sweetheart and deskmate, Su Ruochu. In his past life, their love was respectful and harmonious, but his girlfriend died unexpectedly in a car accident, leaving him with lifelong regrets. This time, Chen Fan vows to never let go, determined to create a new business empire and give her the perfect love and future. Reborn in his senior year of high school, he sets out to win her heart and build a life together.