As I was injected with a lethal drug, I learned that the best friend I trusted had stolen my life. When I opened my eyes again, I was back in the classroom at seventeen. The gloomy boy in the seat behind me, shunned by everyone, was quietly picking up the textbooks I’d dropped all over the floor. In my previous life, he went to prison in my place, and his hair turned white overnight after I died. This time, I took his trembling hand in front of everyone. “Jiang Jin, want to take the entrance exam for Tsinghua with me?” We promised to meet at the summit, but the day our admission letters arrived, we both vanished. Ten years later, at an international tech summit, he came toward me as the father of chips. “Lin Wan, I owe you a place at Tsinghua. How about I spend the rest of my life making it up to you?”