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Justine (Koo Stark) wishes to remain innocent and virginal, but instead slips into a life of debauchery, torture, whipping, slavery and salaciousness. Meanwhile, her brazen, flirtatious and liberated sister Juliette ironically receives nothing but happiness and reward for her wanton behavior. Justine’s only possible hope of true love and salvation is one of her sister’s former lovers, the suave and elegant Lord Carlisle (Martin Potter). But is he as virtuous as he seems?

How to Watch Marquis de Sade's Justine Legally and Safely

If you want to stream Marquis de Sade's Justine through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry Marquis de Sade's Justine films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.