The problem of alters seems insoluble, since those who are able to solve it do not recognize any other methods other than force. According to the authorities, a good alter is an alter locked in a special boarding house. Tension in the relationship between people and alters creates an explosive situation. And it is at this moment that the Master comes into play - the legendary alter, about whom they say that nothing is impossible for him. But no one knows what his goals are yet. And to top it all off, wild alters appear out of nowhere - creatures obsessed with bloodlust, whose animal instincts have prevailed over the human mind...