The series kicks off with Shaun Emery (Callum Turner), a British soldier whose conviction for a murder in Afghanistan is overturned due to flawed video evidence. [22] However, his freedom is short-lived. New CCTV footage emerges showing him kidnapping his barrister, a crime he has no memory of committing. [8, 26]

A ruthless CIA operative pulling strings from the shadows. [5, 14]

Detective Inspector Rachel Carey (Holliday Grainger) is assigned to the case. [5, 23] What begins as a straightforward investigation quickly spirals into a vast conspiracy involving: