This is a "must watch", tense, dramatic, relevant and a brilliant plot.
But, it needs to be seen from the first series on - it will be too difficult to pick up starting from series 3.
Whilst it is in Norwegian (with English sub-titles), the dialogue switches between Norwegian, English and Russian, and this does not detract from the quality of the production.
Whilst it is in Norwegian (with English sub-titles), the dialogue switches between Norwegian, English and Russian, and this does not detract from the quality of the production.