Keith Flick is back in the field with the RIS as a fresh wave of killings breaks over the kingdom of Cremona, while Koku and Yuna try to hold on to a quiet life. A figure out of Koku's past resurfaces, and the case runs into a conspiracy that reaches the crown itself. This second season puts Killer B back in the open, with police work and Koku's abilities closing on the same truth from opposite ends.