An anonymous email is sent to the CIA website: a scientist deep withinIran's nuclear programme is ready to talk. Harry Pappas, head of theAgency's Iran desk, knows that if the contact is real, he's looking at theintelligence coup of the decade. With war imminent if he doesn't succeed,he contacts an old friend in MI6. Together they plan to identify the sourceand extract him from Iran for debriefing. For the job they turn to theIncrement, a top secret and lethal black ops unit recruited from within theSAS. Their mission: to enter one of the most dangerous places in the world,Iran's heavily-protected covert nuclear facility.