Three childhood friends from London, Iyad, Paul and Nasser enter the fray. Antoine finds himself in the middle of a fire fight and recalls the aftermath of his sister Anna's death. A dedicated Kurdish YPJ soldier, Sarya, is sent on a new mission.

Light is shed on what happened in Antoine's family before Anna disappeared. In the present, Sarya gives Antoine weapons training and they begin to understand each other. ISIS mount a ferocious attack on a village.