Matt Charman follows 'Treason' with another five-part London-set show, this one tracking a high-stakes summit between the British prime minister and the French president.

Hostage has started on Netflix. Here's where you've seen all the actors before, from Bridgerton to Doctor Foster.

The five-part Netflix series revolves around Jones' British prime minister Abigail Dalton whose world is upended when her husband is taken hostage by those who wish to see her give up power, in exchange for his safe release. Now she must choose: her husband or her country.