C754 Check out a person's movements

Yu Qin heard and said: "This time it won't be, this time I'm only helping you investigate the situation of one person."

The mysterious person said, "Oh, a person's movements? What do you want to do? "

Yu Qin said: "Don't ask, I'm only asking if you can help me. I don't need you to help me, I can do it myself, as long as you tell me exactly what happened to that person