Five strangers arrive at a country house to be auditioned for a 'reality' show, aiming to win a large cash prize.

They have to see how convincingly they can play at being spies; if they can survive the rigours of the ultimate “Spygame”.

At first they accept it as a diversion, an adventure, not to be taken seriously. But things begin to happen to make them wonder about the true purpose of this gathering.

Is it really only a game?