When the owner of Yujian Villa, Yin Tianqi (played by Lu Xingyu), learned that someone was trying to surrender, he ordered all the sword villas to forge swords to resist. Suddenly, the six elders of "Shuiyue Dongtian" arrived unexpectedly and took away all the weapons. It turned out that the patriarch Tong Zhan (played by Yang Junyi) was superstitious about divination. In order to avoid disasters, the Tong family, who never killed, collected a batch of inferior weapons that could not hurt people. A few years ago, a traitor Yin Zhong (played by Xu Shaoqiang) appeared in the clan. The patriarch, his elder brother Tong Bo (played by Yu Bo), and his third brother Tong Xin (played by Zhang Jin) beat the traitor to the bottom of the rock, but Tong Bo and Tong Xin were also sucked into the Hell Rock by the clan's treasure, the Spirit Mirror. Yin Zhong was burned by the hellfire and cultivated into a demon. In order to save the lives of the world, Tong Bo exchanged his heart for Yin Zhong and his wisdom for Tong Xin, who was born dull. The Spirit Mirror was moved by Tong Bo's deep understanding of justice and threw the three people out of the Hell Rock. Tong Bo's lover Dou Dou (played by Ada Choi) rescued the dying Tong Bo and brought him home. Long Yan (played by Cheng Peipei), the maidservant of the Tong family, knelt down in front of the spirit mirror and made a vow, willing to sacrifice her life in exchange for Tong Bo's great soul...