Brec Bassinger

On August 12, 1967, in Montana's Glacier National Park, the unthinkable happened: that same night, nine miles apart, there were not one—but two—fatal grizzly bear attacks.

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.