A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.
Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.
Bret Maverick is a gambler who would rather con someone than fight them, and needs an additional $3k in order to enter a winner-takes-all poker game beginning in a few days. He joins forces with a woman with a marvelous Southern accent, and the two try and enter the game.
