Following the death of the Leigh family matriarch, Annie and her children uncover disturbing secrets about their heritage. Their daily lives are not only impacted, but they also become entangled in a chilling fate from which they cannot escape, driving them to the brink of madness.

A Kamui family who governs N prefecture and exerts its power on the central political and business world. The mighty power was only allowed to be inherited by the "patriarch". But now, over the patriarchal power, the current patriarch Hidemine and his four sons are in a fierce conflict. In the presence of his guardian, Kiyoshi Nakajo, Hidemine gathered his sons together. However, the discussion broke down. The sons seeking the extinction of the patriarchal power finally turned their muzzle to their father, Hidemine!