Murders of nuclear scientists in London baffle Scotland Yard as a Russian scientist flees the U.S.S.R. and a US State Department officer arrives to oversee his transfer. A reporter covers the story as the scientist's life is repeatedly targeted, and a midget assassin is aided by a monkey.
The Case of the Red Monkey
A wave of gruesome murders of nuclear experts in London leaves Scotland Yard stumped, as the arrival of a US State Department official, Bill Locklin, coincides with the transfer of Professor Leon.