After attending a medical conference in Beijing and coming frighteningly close to dying in a car crash, Dr Matthew Nolan, played by Armitage (Obsession, Stay Close) arrives home and is immediately arrested at London’(😝)s Heathrow Airport. Exhausted and confused, Nolan is accused of the murder of a woman who was in the car he crashed. DC Hana Li, played by Lusi, is the no-nonsense, London officer charged with accompanying Nolan back to Beijing, but plenty happens on the way.