There are many people and many professions in the world. Some people walk in white and some walk in black. There is another type of people who walk between black and white.
A pawn shop that only redeems fish in Luoyang City, and its past with twelve killers.
The killer may be the most ordinary person, with the most ordinary life, and the most ordinary reason to become a killer.
Behind every fish bone is a life, a life that should or should not be killed.