She is a calm and rational time retrograde, and he is a genius boy who is burdened with tragedy. Destiny made them meet in youth, but they missed each other again and again; they met again as adults, but found that every time they got close, they brought new hurt. When they meet for the penultimate time, can they break through the shackles of time and keep each other? A love story spanning youth and adulthood, tenderness and cruelty, telling the ultimate warmth of redemption and sacrifice.
