I Spy

When, in 1970, television has reached the peak of perfection, in that it it embodies colour and 3D, it seems that there is little more that can be done to improve it. Curtis Drew, a television engineer, is one of the new army of television ",hams", - those amateurs who, as in the days of radio, spend a lot of spare time transmitting and receiving messages purely for the fun of it. He believes, however, that television can even yet be used for other purposes and be capable of many modifications. Prompted by his sister, whose work lies in a city hospital, he sets to work to combine the X-ray with television - calling it the Z-ray - his primary object being the study of a human being's interior for the benefit of surgery. His idea does not work out. Instead, an accident reveals something else and opens up the real, overwhelming possibilities of the Z-ray. In short, Curtis Drew discovers ",pure", television, in that he can pick up any scene, anywhere, anytime. Nothing is private any more. Curtis Drew, his sister and her fiance stand on the brink of a new and amazing vista...