The Meg (2018) The Meg (2018) is a science-fiction action thriller based on the novel Meg: A Novel of Deep Terror by Steve Alten. The film follows a deep-sea rescue diver who encounters a massive prehistoric shark known as the Megalodon, believed to be extinct but actually living in the deepest parts of the ocean. When a deep-sea research facility is attacked, the creature escapes into open waters, putting beaches and innocent lives at risk. Packed with intense underwater scenes, thrilling shark attacks, and high-stakes action, The Meg blends science, fear, and adventure while exploring how little humans truly know about the depths of the ocean. The movie became popular for its massive shark size, suspenseful moments, and entertaining monster-movie style.