The Abyss (1989)

When you get there, you will understand.

★ 7.4 PG-13 2h 20m Adventure Thriller Science Fiction

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.