- [first lines]
- Radio newscaster: What is the death that stalks by night? Is the reign of terror we have experienced caused by a ray gun or remote control torpedo? No one knows. In our extreme emergency, the United States has sent her eminent scientist, Professor Brent, to aid us in detecting its source. Although there have been no attacks for six days, Professor Brent has been hard at work closely guarded by the Royal Canadian Mounted Police.