A group of political exiles conspire in France against their government. They are pursued by Daminoff, head of the intelligence service of the country of origin of the conspirators, who uses Nadia, a singer who soon betrays him by taking up the cause of his compatriots. Dramatic chases ensue until Daminoff, having tracked down Nadia and her friends, fires on Chief André and seizes the secret plans. But these are false. André, injured, is stricken with amnesia. Seeing Nadia again, he will become himself again and marry her.