This is an extremism thriller of our time, a sequel to Flashbacks. Ali Muhammed escapes from London back to Mosul. Pressure on IS increases and his next mission is Turkey and the city of Istanbul. Kaylah Kone has a life changing event and pressure is placed on her to travel to Istanbul to help the security services 'get Ali.'Adam Taylor, still traumatised by events in London becomes an Islamic Studies student at university. An innocent abroad, he ends up on a summer placement with friends in Turkey. These three central characters and those around them are swept up in a story which is impossible to put down and will keep you talking about it long after you have put it down.