Sam Nelson gets on a flight to London hoping to win back his ex-wife, but something on board feels wrong—and his suspicions are confirmed.

Spotting an opportunity, Sam executes a plan to get a covert message to authorities on the ground.

As the UK’s counterterrorism unit learns of Flight KA29, Sam gets involved in a risky plan to take on the hijackers.

An incident team in Westminster scrambles to intercept fighter jets. Sam tries contacting the ground once more when a hijacker is injured.

Sam attempts to convince the hijackers to land the plane. A list of demands reveals who’s behind the hijacking.

Faced with an impossible decision, the passengers ready themselves for a fight.

A new threat emerges on board as Sam struggles to control the chaos unfolding around him.

Two years after Flight KA29's hijacking, Sam Nelson is thrust into another life-threatening ordeal—but this time it's personal.

Sam urges Otto to keep his cool as passengers begin to suspect something is wrong. Police Chief Winter races to mount a response.

Berlin police scramble to contain the situation. Sam pressures Winter to meet his demands. Marsha discovers she's being watched.

A shocking turn of events forces Sam to make a gesture of good faith. In London, Daniel calls on a friend to help look into what's happening in Berlin.

Anger and frustration among the passengers begin to boil over—just as Sam comes to a frightening realization.

To avoid further disaster, Sam must work with an unlikely ally. The enemy closes in on Marsha as Zahra and Daniel fear they've reached a dead end.

Sam gambles on a dangerous tactic in hopes of outsmarting the police. Armed with new intel, Olivia tries to influence Winter's next move.