She was abandoned by her father and fell from a rich family to a very miserable situation. She has super severe obsessive-compulsive disorder, which also made her unknowingly discover that she has super reasoning abilities. The various events happening around her made her unable to sit idly by any longer. However, in the process of tracking down the killer Xia Ji, she discovered a closely related and unknown secret...
He is a killer. He knew that as a killer, the first rule was not to have any feelings, but he still fell in love with her without any defense, the one who could kill him.
Love is like this, knowing that it is a marathon with no end, but still rushing forward uncontrollably.