Black Water: Abyss (2020)

Five friends, who love to find unusual ways to spend time, go to distant Australia to explore mysterious caves where they have never descended. The cave system is known for its complex labyrinths and amazing beauty created by nature over millions of years. Is it possible to resist such an extreme and unique type of recreation, friends immediately pack up and go to a meeting with unforgettable sensations. They do not even know what awaits them in this difficult journey, perhaps not even everyone will be able to return back, remaining forever in this dungeon.

At the time of the descent, a strong tropical storm begins on the surface, it was extremely dangerous to stay here, and then the travelers decide to go down to wait out the bad weather. As it seemed to them, they would be safer underground, but in fact everything turned out to be completely different. The stronghold where they managed to hide gradually began to turn into a trap, the waters rose with incredible speed, filling more and more territory. But the most dangerous thing in this situation was the appearance of an ancient predator that began hunting for uninvited guests.