After disappearances during an archelogical dig, Stella Grant (Carole Ann Ford) sends in her two top agents, played by Colin Baker and Wendy Padbury, to investigate.

Who is forcing thousands of Eastern European girls into prostitution in the capitols of Europe itself? Billy Winston secretly watches his neighbours on CCTV. A pretty Russian prostitute he watches is murdered on CCTV. Billy is determined to discover who murdered her and why. He finds and confronts unspeakable evil. In London, someone is always watching you. How will you react?