Thetenthandfinalseasonoflong-runningBritishespionagethriller"MI-5"seesHarryreturntohispostasheadofSectionD,whereinhisRussianoppositeIlyaGavrik(JonathanHyde)proposesastrategicpartnershipbetweentheircountries.New"spooks"ErinWatts(LaraPulver)andCalumReed(GeoffreyStreatfield)jointhefighttopreventallenemiesofthealliancefromsabotagingtheplanandinstigatingawaddd
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