She lost her father when she was nine years old, and her mother remarried, and she became a young lady of the Fu family. The second youngest son of the Fu family was taken abroad by her aunt after her mother died. The eldest son of the Fu family was indifferent and autistic. Whenever she thought the relationship between the two was getting closer, he was cold to each other. After many years of getting along, the two developed a different affection than that of brother and sister. Ten years later, the second young master of the Fu family came back to carry his stepmother's oil bottle. The disappearance of the stepmother breaks the seemingly peaceful life. The bizarre case ten years ago resurfaces. What is the bloody truth?