The boy stared blankly at the woman lying in a pool of blood. The woman's beautiful face was stained with blood. Her desperate eyes were always looking at the boy, but she could no longer close them. Why did his mother, who was playing with him just now, suddenly fall into a pool of blood? The 5-year-old boy never understood what happened, he just stared blankly. . Until a pair of big cold hands picked him up. . . .