<p> Inthesecondseason,whichhasjuststartedproduction,Knightley’sHelenisstillbetrayinghernation’ssecretstotheBlackDoves.ButafterthemisadventuresoflastChristmas,andwithherhusbandWallace(Buchan),preparingtobecomePrimeMinister,sheiswalkingamoretreacherouslinethanever.</p>