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Watch I vampiri online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.

In Paris, France, a crazed duchess, obsessed with retaining her youth, has her scientist lover kill various women and draining their blood for her use while a smug journalist seeks out leads for the so-called 'vampire murders' and links a local drug addict to the case whom is connected to the mad scientist.