After Dissecting the Queen Mother, I Have All the Power

A modern female doctor traveled through time and became a widower, and woke up in the coffin of an emperor who was buried. Next to him was the rotting corpse of the late emperor, and outside the coffin there was the sound of hammers hammering. I pulled out the gold hairpin and stabbed it into my throat: "He committed suicide and there are some differences in the burial objects!"