The sun was blazing like a ball of fire in the summer noon. But in the room, the curtains shielded against the sunlight outside.

Gu Yan opened her eyes slowly and kept a close watch on the ceiling. Then she looked at the white ceiling and became conscious, “Where am I?”

She sat up slowly and soliloquized, “Oh, my head hurts. What happened?” She reached out and touched her head where was a white adhesive plaster.

She suddenly remembered what ...