Superdeep is a Russian sci-fi horror film directed by Arseny Syuhin. The story follows a team of scientists and military personnel who are sent to investigate mysterious sounds emanating from the Kola Superdeep Borehole, the world’s deepest drilling project.

Upon arrival, they discover a deadly fungal organism that has the potential to wipe out humanity. As the team battles the terrifying infection, they must confront the moral and ethical implications of their mission, leading to a tense and harrowing struggle for survival deep beneath the Earth’s surface.