The Best Episodes Written By Matt Charman

In a bid to avoid treason charges, both Adam and Maddy go after Kara. But overheard conversations lead to big doubts about who they can really trust.

Peter Leigh is called to a remote planet where a mysterious multinational company is building the first permanent off-Earth human colony, Oasis, humanity's last chance to escape from Earth's impending collapse, but it quickly becomes apparent that it may not be as hospitable to humanity as it seems.

Adam flees London with the children after MI6 revokes his clearance. Before long, their hiding place is discovered — and blood is spilled.

Adam Lawrence immediately rises to the top of MI6 after his boss is poisoned. But a surprise meeting forces him to question his whole career.

More shocking secrets come to light as an unlikely team works to expose the truth, with lives and the very future of government hanging in the balance.

Dalton looks for ways to rescue her husband without informing the cabinet. But without Toussaint's help, there's no chance of saving him.

A grieving Dalton faces her mutinous cabinet and Toussaint confronts her furious husband. Despite everything, the leaders finally reach an agreement.

With the country in crisis and her husband held hostage, the newly-elected British prime minister turns to the visiting French president for help.

As the UK terror threat level rises to critical, the kidnappers go quiet. The two heads of state discuss a deal that could save them both.

A state of emergency is declared across the country. With the military in control, Dalton must find who's behind it all before it's too late.