The true nature of the conspiracy is revealed as Hana and Brody overcome their personal demons and work with Delaney to deliver justice.

The events of the 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.

Hana and Brody set a trap to catch Fox, Jess enlists surprising medical help to save Ruth's life, and the true architect of the conspiracy is finally revealed.

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.

As Hana and Brody search for the killer, the embassy is put into lockdown but Fox remains one step ahead of them - meanwhile, a bomb is found on Delaney's jet.

A British man crashes his car in Beijing and upon his return, he's accused of murder. After an incident on board, the officer escorting him begins to suspect foul play.

As the murder 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.

Nolan recounts the events in Beijing; Hana continues to investigate the events on board; Jess's findings lead her to a mysterious international medical company.