As the cuddle of a diplomatic courier leads DS Hana Li to London's US Embassy, MI5's Madeline Delaney receives a call about a bomb on the jet she is travelling on.
Red Eye, told over an adrenaline-filled six parts, is set between an all-night plane flight from London to Beijing and the corridors of power within Whitehall.
Red Eye - Series 2, Episode 1 Synopsis and Schedule