Jonas is a British spy out in the cold. When his father is kidnapped by ISIS in Syria, he heads to Beirut and recruits a Swiss priest named Father Tobias. Tobias agrees to travel into the heart of the Islamic State and inform the kidnappers that Jonas is willing to negotiate for his father's life. British intelligence agents try everything in their power to stop Jonas, and he finds himself tested to the limit as he fights to keep the negotiations alive.