Anhe, the most mysterious killer organization in the world, consists of three families named Su, Xie, and Mu. The top leaders of the three families are called the patriarchs. Everyone is poisoned and their lives are in danger. After the three forces of the Dark River learned the news, they took the opportunity to launch a rebellion. As the leader of the Patriarch’s guard group, Spider Shadow, Su Muyu recruited Bai Hehuai, the divine doctor of Yaowang Valley, to treat the Patriarch, and at the same time, he fought off various assassins to protect the Patriarch. At this time, his friend Su Changhe in Anhe joined the assassination of the elders on behalf of the Su family. (gogoanime21.eu.org)