Release Message:  An atomic scientist (Peter Arne) is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. Written by Charles Eric Maine.

Description:  An atomic scientist is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. He teams up with a reporter to stop his evil double from destroying his experiments in artificial tungsten. (See also, 1953 TV Movie Time Slip) The body of atomic scientist Stephen Rayner is found in the Thames. But who is that person who appears to be Rayner working at a top-secret atomic establishment?