Officially, Max McLean doesn't exist. The British government denies all knowledge of the work he does on their behalf to keep us safe. But Max and his masters are losing faith in each other. And they've given him one last chance to prove he's still their man. Sent to a military research facility to meet a former comrade-in-arms, Max finds the bravest man he ever knew locked up for his own protection. His friend lost his mind during an operation in West Africa. The reason? Absolute mortal terror. Max is determined to find out why. Unputdownable and packed with irresistible set pieces and jaw-dropping plot twists, this is a thriller like no other.