The President is coming to London, but not to a warm welcome --- a fanatical mullah is offering a blessing to anyone who will assassinate the President. A small band known as the "Prime Minister's private army" is called in, including intelligence captain and Afghan war hero Sara Gideon.
An Iranian scientist has made a breakthrough in nuclear research, but he can’t stand the thought of his regime owning the bomb. He would run if he could, but if he does, his family dies. It is up to Sean Dillon, Sara Gideon and the rest of the "Prime Minister’s private army" to think of a plan. But plans have a way of encountering the unexpected.