主演： 马修·麦克费登 凯莉·霍威 大卫·奥伊罗 彼得·弗斯  

简介：Thestakesareraisedinseasontwoof"MI-5",asthethreattonationalsecurityincreasesandtheneedtothwarttheterroristsoperatingwithintheUKbecomesmoreurgent.TomisinvestigatingaSerbianterroristplot.HisgirlfriendandherdaughteraretrappedinTom’shousewithalap-topwhichisthoughttocontainabomb.MeanwhileanotherbombisprimedtoexplodeandthisonekillstheSecretaryofStateforNorthernIreland.Addingtothepossibledangersfacedbyothergovernmentofficials,TomlearnsfromhisAmericancolleaguethatanassassinisintown,theCIAknowabouthimbuttheyhaven’ttoldMI-5.