A group of experienced archeologists are searching for an old and mystic Phoenician treasure when they are surprised by a series of mysterious murders...

Unemployed Czech-speaking writer Nicholas Whistler thinks he's got a job visiting Prague for a bit of industrial espionage. In fact he is now in the employ of British Intelligence. His pretty chauffeuse on arrival behind the Iron Curtain, Comrade Simonova, is herself a Czech agent. Just as well she's immediately attrac…