The Curious Dr. Humpp

In this 1969 Argentine sexploitation horror film, a mad scientist kidnaps intimate couples and subjects them to a twisted experiment, injecting a substance to "enhance" their libido while forcing them into unnatural sexual encounters. The sinister doctor's ultimate goal is to harness the power of human desire to achieve eternal life. A reporter and police inspector join forces to infiltrate the doctor's lair, but will they be able to escape the clutches of the sadistic Dr. Humpp?