BlackWater: Abyss (2020) tells about the journey of five friends to one of the little-explored caves that are located in Northern Australia. The easy walk that the main characters planned suddenly turned into a bloody fight for their own lives. The reason for this was the natural element, which raged turned the cave into a deadly trap. Running out of oxygen, the cave is gradually filled with water, there are only a few minutes left to search for an exit. But already the ancient evil was stirring in the frightening darkness, which had been awakened by the bad weather. Sharp teeth are hungry for blood.