Cannibal Holocaust (1980)

In the depths of the Amazon rainforest, a rescue team searches for a missing documentary crew. They uncover the crew's lost footage, revealing their gruesome encounters with a native tribe. As the truth behind the filmmakers' fate unfolds, ethical boundaries between civilization and savagery blur. This film is a controversial and thought-provoking exploration of human nature, recommended for those with a taste for intense and challenging cinema.