Ex-SAS trooper Nick Rock is extremely experienced. Clever, ruthless and very effective, it really is no surprise that he is hired by English Intelligence. On deniable procedures – perhaps one of the most dangerous lines of function.

Sarah Greenwood is beautiful, intelligent and cunning – as well as the only girl Stone has ever truly exposed to. But now he has been purchased to hunt her down.

Hotly pursued through the American wilderness, Stone finds himself in the centre of the fatal game of cat and mouse. He must get to the heart of the terrifying conspiracy theory to which only Sarah holds the key. But will he manage to before the tension reaches boiling stage?