A disaster forces them to separate. When we meet again, one is a heroine who "eradicates evil cults" and the other is a saint who "saves the common people". When they meet again, they hold each other's hands and tide over the difficulties together. However, as time goes by, that dusty past is quietly revealed. The Nanchi, where good and evil are proven, is stained with an everlasting red, and the old man on Kunshan Mountain actually claims that the bloodline of Yusheng has been cut off long ago. You hide it from me, the storm rises...
Concept: The entanglement between good and evil is often difficult to understand