Tired out from a hard day of counting his money, Baron Scipion du Roure was strolling along Promenade des Anglais in Nice one afternoon when he bumped into an old acquaintance, Inspector Raymond Alberto of the Nice police force. Over pernods, the inspector grew confidential and unfolded an amazing tale of espionage and adventure. Later, he introduced the baron to lean, elegant-looking Lieut. Colonel Berthier of the French intelligence.
"The Secret Service," whispered Berthier, "has on its hands a certain quantity of uranium. But Russian agents are after the stuff. We are now...