In ancient times, after Pangu created the world, he divided the entire space into three realms: heaven, human world, demon realm, and the two realms of gods and demons were evenly matched.
A thousand years ago, in a war between gods and demons, both sides suffered losses. The leader of the gods, Lord Lian Yi, and the leader of the demons, Lord Red Shadow, died together.
He is the future divine king, and his duty is to protect the world.
Before this, he had to go through ninety-nine and eighty-one hardships to achieve the right goal, but this tribulation was more difficult than the last.
She is a demon princess who has been left in the mortal world since she was born.
They fell in love by chance, but the two worlds of gods and demons were separated by different paths. In the end, all they could exchange for their love was "The girl looks so familiar, but I can't remember where I've seen her before."
When everyone in the world and she need his protection, how should he choose between righteousness and selfish desires?