After surviving a car accident, she was told that she had terminal cancer. Lying in the hospital bed, Sanqiu suddenly flashed back to the eighteenth birthday of her half-brother who was brutally murdered many years ago. Sanqiu, who originally thought that he could go back in time and rewrite history, found that things were not as he imagined. Among the confusing clues, can Sanqiu break through the fog and find out the truth? In the twisted human nature, a strange story of love, resentment and resentment is revealed.