On the night when the Sword Sect was destroyed, Xie Zhao was expelled from the school, and the mountain gate was stained with blood. Bearing the name of a traitor, he embarked on the road of revenge, but he did not know that his family would be destroyed, and he was entangled with the fate of the demon saint Shen Hanyi. When Tiehou's broken sword began to whisper, Bai Suling's intelligence hid the shadow of the imperial court, Zhou Yunzhou's mask of loyalty gradually peeled off, and Master Xuanyin's Buddhist beads finally shattered - only then did Xie Zhao understand that what he was practicing was not the Guhong Sword, but the erased truth. Shen Hanyi's memory is fading, and his sword is the last testimony.