4 teenage women go on a diving journey to discover a submerged Mayan metropolis. As soon as inside, their rush of pleasure turns right into a jolt of terror as they uncover the sunken ruins are a searching floor for lethal nice white sharks. With their air provide steadily dwindling, the buddies should navigate the underwater labyrinth of claustrophobic caves and eerie tunnels looking for a manner out of their watery hell.
