An ordinary female college student, Chen Yuhan, traveled through the body of the ancient female killer Song Er. For her, who did not have a God's perspective, except for the mission of entering the palace to assassinate, everything was unknown and she needed to explore by herself.
Everything is accidental, but it is inevitable that I love you.
Concept: Everyone is unique and everyone has a different destiny. While respecting fate, you can also use your own strength to change fate and become a better person.