 Ivan Tretiak, Russian Mafia boss who wants to create an oil crisis in Moscow and seize power as a result sends Simon Templar, great international criminal, to England to get a secret formula for cold fusion from U.S. scientist Emma Russell. That formula will give Tretiak a source of cheap energy and a lot of money as result. Templar falls in love with Emma and they try to outwit Tretiak and his guerrillas, hiding from them in Moscow.