The town of Green Bowl is located in an anomalous zone where the supernatural is intertwined with the ordinary. Its residents have no idea that it could be different, except for police commissioner Reg Sheridan: and here is a new complicated case - an ancient castle, a ghost, mysterious guests, an ancient curse, travel to parallel worlds, and the girl Marion, sticking her nose everywhere ... She discovers that a famous artist paints paintings that can be used to penetrate the boundaries of ordinary space. Dark Forces begin to hunt for the artist. But a powerful sorcerer comes into play, because of whose mistake this story began...