![Septembers of Shiraz](https://image.tmdb.org/t/p/w185/1s2xayFVgYEQb8DxnmNCJZMXgGp.jpg)
Four teenage girls go on a diving adventure to explore a submerged Mayan city. Once inside, their rush of excitement turns into a jolt of terror as they discover the sunken ruins are a hunting ground for deadly great white sharks. With their air supply steadily dwindling, the friends must navigate the underwater labyrinth of claustrophobic caves and eerie tunnels in search of a way out of their watery hell.