Equestria isn't the world of sunshine and rainbows you think it is. There are ponies in this world that are just as dark and depraved as you can possibly imagine. Beat deals with them on a daily basis. He's a detective in Manehattan, and he's just been assigned the darkest case in his entire life, all centering around a mysterious and depraved journal recovered at a grisly crime scene.

As he delves deeper into the killer's mind, Beat begins to wonder...

Who's the real psychopath?