Former SAS Sergeant Major John Carr is relaxing on a Spanish beach, when a man with dark eyes attracts his attention. Fixated on a group of young Britons, the man doesn’t notice Carr and soon moves on.

Within the hour, the Costa del Sol will be plunged into one of the most audacious and horrifying terrorist attacks Europe has ever seen.

In a co-ordinated strike, armed men storm both the beach and a cruise ship anchored further up the coast. But the terrorists – hiding personal greed under the veil of religious extremism – have an even bolder plan.

Constrained by the sensitive political situation, MI6 and the Prime Minister must confront the possibility of leading a secret operation against a brutal enemy. And then find the right man to head it . . .