Learn French with The Stronghold

By Lachlan McRitchie

Updated June 28, 2026

Yes, The Stronghold is a C1-level pick for French learners. An anti-crime police unit in Marseille is pushed too far in this tense thriller. The thick Marseille argot, dense police jargon, and rapid overlapping dialogue put it firmly at C1, best for advanced learners.

Difficulty
C1
Genre
crime, action, thriller
Platform
Netflix

How we rate difficulty

French words you'll hear in The Stronghold

stupéfiants
narcotics
indic
police informant
trafic
trafficking
brigade
squad, brigade
planque
stakeout, hideout

How to learn French with The Stronghold

Install LingoBinge, set your language to French, and play The Stronghold on Netflix. LingoBinge swaps a few subtitle words into French at your level, and you tap any word to translate, hear, and save it for spaced review.

Useful French vocabulary

Frequently asked questions

Is Bac Nord good for learning French?
Only at an advanced level. It is C1: the Marseille slang and police jargon are dense and fast, so it suits advanced learners with graded subtitles.