In the eyes of the world, Ji Qinghe is a heinous devil and a scourge that stirs up troubles, but no one knows that he was just pushed down the crooked path involuntarily by fate and conspiracy. Fan Muchen is an immortal king who is admired by all. He has powerful magic and is worshiped by the three realms, but he only has an obsession with that "devil" that others cannot understand.
When two people who stand at the top of the world's military force entangle the vines of love in the gears of fate, their love is destined to not be smooth. On one side is the struggle shrouded in stigma, on the other side is the shackles of responsibilities; on the other side is the deep love buried deep in the heart, and on the other side is a different barrier. They pull between misunderstanding and truth, weigh between responsibility and love, and perform a forbidden love that belongs to the strongest and is full of pain and beauty. And in the end, no one can know in advance whose heart the sword that cuts off cause and effect will point to...