London police officer DC Hana Li is escorting Dr Matthew Nolan back to Beijing where he has been accused of a crime. However, on board flight 357, she finds herself embroiled in an escalating conspiracy and a growing number of murders.
As Nolan fears for his life, tensions rise on-board. Hana is instructed to investigate by MI5 director Delaney. And Hana's sister starts digging into the events occurring on NCA 357.
Nolan recounts the events in Beijing. Hana continues to investigate the events onboard. Meanwhile, Jess's findings lead her to a mysterious international medical company responsible for the conference in Beijing.
As Hana searches the plane, she feels an eerie stalking presence. No closer to finding the culprit, Hana and Air Marshal Zhang come to suspect Nolan may be responsible for events on-board after catching him communicating with someone on a stolen phone. Determined to prevent events from escalating, Hana declares a search of all passengers' luggage. Passengers on the plan...
The truth about events on-board is revealed, forcing Hana to take drastic action. Tennant is put in charge of Delaney's operation, forcing Delaney to break protocol.
The events of that fateful night in Beijing are revealed. Hana and Delaney hatch a daring plan, risking their lives to bring those responsible for the conspiracy to justice.
Richard Armitage
Dr. Matthew Nolan
Jing Lusi
DC Hana Li
Lesley Sharp
Director General Delaney
Jemma Moore
Jess Li
Dan Li
Toni Zhang
