Water Monster Murder Case

At a weekend party held by a well-known aquarist, a guest jumped into the swimming pool in full view but disappeared mysteriously! There was no sign that he had ever come ashore, and there was no trace of him in the pool, but there were strange huge paw prints on the bottom of the pool! Rumors that the evil dragon killed him gradually emerged in everyone's mind! When the missing man's body was finally found, something even more shocking happened - his body had marks that looked like scratches from a dragon's claws! Do dragons really exist? Things haven't been sorted out yet, but the second victim has appeared!