Thestakesareraisedinseasontwoof"MI-5",asthethreattonationalsecurityincreasesandtheneedtothwarttheterroristsoperatingwithintheUKbecomesmoreurgent.TomisinvestigatingaSerbianterroristplot.HisgirlfriendandherdaughteraretrappedinTom'shousewithalap-topwhichisthoughttocontainabomb.Meanwhileanotherbombisprimedtoexplodeand...