A hereditary heart condition casts a curse over Shen Yuan, claiming the lives of her family one by one. When the curse finally comes for Shen Yuan, someone calling itself the System approaches her. Should she help the System complete its tasks in exchange for three years of good health, or spend the rest of her life bedridden? What should Shen Yuan choose? Is the System a guardian angel sent to save her, or Pandora's box? Shen Yuan has no way of knowing.
