Keira Knightley trades the Black Pearl for the Black Doves in her new Netflix series, turning from pirate to spy. The new series, now streaming on Netflix, is a thriller centered on Helen, a mother and devoted wife — who just so happens to also be a professional spy who's been passing on secrets about her politician husband to her bosses.

Led by Keira Knightley, Sarah Lancashire and Ben Whishaw, this London-set Christmastime thriller is full of feelings.

It begins with the assassination of a skittish civil servant, who may or may not have found out something about the mysterious recent death of the Chinese ambassador to the UK. Sniped on the South Bank — in a glittering,