His name is Jianli, which is the bottomless dark island in Jiangcheng; her name is Shuyan, which is the most beautiful and extraordinary language in Suzhou. A family dinner and an old photo are the foreshadowing of fate. He once thought he would spend the rest of his life walking alone in the darkness until he met her - she was the warmth he longed for but dared not approach, the only unexpected variable in his carefully calculated life. It turns out that the highest level of love is the mutual attraction of light and shadow. It is two powerful souls who are kings in each other's fields, but are willing to surrender to love.