My head hurts. What happened? Where am I now?

Su Mu's face is caressing her painful forehead, looking around at the scenery, trying to find out her situation.

it seems that the carved beams and painted buildings around the body are in some palace. Su Muyan walked forward in a daze, trying to see what the place was. A burst of music and noise suddenly rang out. Su Muyan subconsciously looked in that direction, but when she saw those scenes, she opened her mouth in surprise, and she saw another herself.

on the high Royal platform, another Su mu, with a pale face and an obvious state of infirmity, is...