Fair rating?Episode 4
MI5 discover that an Islamic terrorist is planning to enter the UK and launch an attack. Adam travels to Turkey to infiltrate the route, and seemingly persuades his target to work for MI5. But can they really trust their newest recruit, or is he actually more dangerous than ever before?
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#10In Season 4of 10 rated episodes
#82All-timeof 86 rated episodes
−1.0vs season avgSeason 4 averages 9.8
2005First airedSeptember 29, 2005
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