Fourteen years after the Promised Day and life in Amestris couldn't be more peaceful. The defeat of the homunculi ushered in a new era of prosperity and the war heroes from that day have finally been able to lead regular lives. Of course, this prosperity also led to complacency, and the last lurking threat was forgotten. After all, Selim Bradley doesn't seem very dangerous.

Hide isn't stupid, and Kaneki knows that he can only hide his secret from him for so long.