From IMDB:

In the 1960s, at the height of the Cold War, in the small village of Glória do Ribatejo, João Vidal will take on several high-risk espionage missions that could change the course of Portuguese and world history.

From Netflix you can stream the 10 episodes of this Portuguese spy thriller.  Each episode lasts about 45 minutes. In Portuguese and English with subtitles.

RARET is short for portuguese RAdio de RETransmissão (Retransmission Radio).  Think of RARET as Radio Free Europe.  An article in the New York Times suggested this film to me. That article, which is worth reading, begins as follows:

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Anyone who didn’t live through the Cold War might find the Portuguese Netflix spy thriller series “Glória” improbable.

Deep in the Portuguese countryside, in the tiny village of Glória, a complex radio transmission operation run by Portuguese and American engineers springs up in the 1950s, a branch of a Munich-based news organization called Radio Free Europe.

It broadcasts news and anti-communist messages in languages of various Soviet republics, but, in the show and in real life, that’s only part of its early mission: It’s also a C.I.A. front.

Until 1971, Radio Free Europe was a covert U.S. intelligence operation seeking to penetrate the Iron Curtain and foment anti-communist dissent in what was then Czechoslovakia, in Poland and elsewhere.

João (Portuguese for John) is a Russian spy seeking to undermine the activities of RARET.  Through 10 episodes we watch his masterful deceits while many around him get hurt as a result. To really appreciate the story you might brush up on some Portuguese history such as its imperialism (especially in Angola), the dictator Salazar, and PIDE (the Portuguese secret police).

Because the very ending comes as a complete and puzzling surprise, after finishing the series you can read an explanation.

Do not expect much happiness. But – DO NOT MISS!