Three former spies put 15 men and women to the test to see if they have what it takes to make it in the world of espionage.
Over the course of four weeks, 15 candidates (whittled down every episode) will be put through their paces by a trio of former spies and intelligence officers known collectively as Control, revealing the techniques of the Intelligence Officer New Entry Course (aka IONEC) used to train real-life spooks.