One of the great benefits of streaming services is that the delve into the output from Europe and elsewhere and unearth some gems like this one. This is the story of someone trying to uncover and stop the plans of a secret society (not a Vincent Price/Hammer Horror style one) who are interfering in politics and the government.
Apart from good writing and filming, it gives us the opportunity here in the UK to see some new actors and many of them put the usual lot to shame with their acting ability. I don't know if it is common outside of the UK and America, but there is a tendency these days to give parts to ex comedians and other entertainers who for some unknown reason, think they can act. See Alan Davis for an example. Instead here we have people who have learned their craft and can deliver the story.
There are two series under this heading. The first one is the best in my opinion but the second is still worth watching.