Danny Curnow, formerly known in the army by his call sign - Vagabond - ran agents and informers. Now he lives in quiet isolation, working as a guide to the tourists visiting the monuments and cemeteries on Normandy's D-Day beaches. Until the call comes from an old boss, Bentinick. Violence is again on the rise in Northern Ireland. Gaby Davies of MI5, sparky and ambitious, runs the double agent Ralph Exton, who will be the supposed middle man in brokering an arms deal with a Russian contact, Timofey. The covert world of deception and betrayal was close to destroying Danny across the Irish Sea. Sixteen years later the stakes are higher, the risks greater. Danny will have to prove, above all to himself, that he is as hard and ruthless as before, if he wants to survive ...