Located on the southeastern tip of the Korean Peninsula, Haeundae district of Busan, South Korea draws one million visitors to its beaches every year. Several years ago, Man-sik, a Haeundae local, lost Yeon-hee's father due to his mistake in the 2004 Indian Ocean earthquake while deep-sea fishing together at the Indian Ocean. Because of this, for years, Man-sik wasn't able to become involved with Yeon-hee, who runs an unlicensed seafood restaurant, despite her attempts to start a relationship (Yeon-hee doesn't know that her father was killed due to Man-sik's mistake.).
En 1904, Oslo a subi un tremblement de terre d’une intensité de 5,4 sur l’échelle de Richter. Le séisme a entraîné une destruction importante. Mais heureusement, aucune vie humaine n’a été perdue. Pourtant, de nos jours, les études géologiques montrent que le danger d’un nouveau séisme plus important peut être réel.
Stewart Graff (Heston) is jogging near the Hollywood Sign. Back home, his wife Remy Royce-Graff (Gardner),a foul-mouthed bitter woman, starts her morning by picking a fight with him. After he has showered and is preparing to leave, Stewart finds Remy unconscious with a bottle of pills nearby. Accustomed to her periodic suicide attempts, Stewart prepares to induce vomiting when a violent tremor shakes the bedroom. Remy bolts out of bed, revealing that she was faking.
Une importante plateforme pétrolière est en activité dans la mer du Nord. Or, un groupe de scientifiques découvre que l'exploitation de cette zone pourrait créer un raz-de-marée et met donc en garde la compagnie. Le manque de considération de la part de cette dernière provoque un tsunami qui menace la vie de milliers de citoyens.