We have come and loved, no matter who made the mistake,
Come and miss, no matter who loves you more.
The frustrated young man Fu Shun was about to go to a dead end in sadness and despair, but at this time a mysterious research beckoned to him and led him to the "new world". When he thought he would be reborn in another life, it turned out to be the beginning of the earth-shaking of his previous life.
A mysterious experiment, a death contract,
When you accidentally cross the door of life and death,
Will it eventually lead to a century-long study? Or will he become a victim who never returns?
What lies ahead is destruction? Or rebirth?