A female agent traveled to a different world and passed her soul into the body of a man named Shen Hanxiao.
Why did she travel to another world? Why would Shen Hanxiao, who was in good health, give up his body to her? Why do monsters exist? Why do monsters have many connections with many famous families? Why did Xue Ziyu feel familiar yet strange to her when she met her for the first time?
With all kinds of questions, Shen Huaiyu and his partners embarked on the road to find the truth. It seems that everything is not that simple.
Purpose: Protect the world