From publisher blurb:
ESPIONAGE! is a role playing game of modern day secret agents. These rules allow you the thrill of solving mysteries, saving countries, stopping evil plots, and generally having a good time. You can live the exciting life of a secret agent, with danger at every turn, fast cars, beautiful women and high society.
The game system is based on CHAMPIONS, the superhero role playing game. If you are already familiar with CHAMPIONS, then congratulations! You already know how to play ESPIONAGE! - it's just that some of the details are different.