Lin Xin, who suffered from heart disease, killed everyone in the college entrance examination because of a broken love on the eve of the college entrance examination. After winning the first place, he always felt that he had lost the world. Human growth is accompanied by love, hate, life and death. In the cruel love, hate, life and death, Lin Xin continued to understand everything that he, like a child, did not understand at that time. The death of his father, the warmth and coldness of the world, indescribable love and hate, and the girl who remembered him until her death made him continue to grow.