It's been four years since Littlepip destroyed Marypony . Four years since the monstrous plan of the Goddess has been foiled . But it seems that, somewhere, there is still a trace of her . A beat . Is with this premise that Bone Saw, a unicorn with a cybernetic leg, accompanied by her sister and another pony, will go on an adventure to recover an object called the heart of the Goddess. But he will not be the only one who want that powerful artifact .