A sleepy American town is woken up in the middle of the night by horrifying noises. Police inspector John Strock is assigned to investigate the mysterious happenings. He sets out on the case, having no idea what shocking secrets will be discovered. Reports of other inexplicable events around the country start to come to light. Strock starts to suspect that all these incidents are connected in some way, and strives to get to the bottom of it. Will he succeed in his quest? Or will the Master of the World live up to his name?