Curse of the Mayans

A professor hires a professional team of cave divers to explore long buried underwater ancient Mayan ruins in the hope that he can discover how and why the civilization disappeared. But the team stumbles upon a locked underwater prison that has held evil alien beings and unintentionally free them with their discovery. Now they must escape the immediate wrath of the submerged aliens and ward off the extraterrestrial apocalypse predicted by the Mayans so long ago