When a mysterious girl murders a British biochemist in France, former British agent, Mark Fraser, on holiday nearby, is framed for the murder and forced to go on the run. His only hope is to discover the reason for the biochemist's death.

Fraser's search for answers leads him into a web of intrigue, treachery and murderous mayhem. Behind the killing is the shadow of a horrifying secret, so frightening in its implications that the Intelligence agents of three great powers are desperate to obtain it.