Superdeep is a Russian horror thriller movie. It is based on the real life Kola Superdeep Borehole, deepest man-made hole in history. According to the film, in 1984, inexplicable sounds like the screams of many voices were recorded at a depth of more than 12 kilometers. This lead to the close of the Superdeep. Years later, a small research team goes down to find the secrets but finds more than they were expecting. It will be on Shudder.