In Sector 7, an underwater oil field located south of Jeju Island, Hae-jun is working as a marine equipment manager on an oil prospecting ship called Eclipse. Joining the crew later is Jeong-man, a former colleague of Hae-jun's father, assigned to Eclipse as captain. Though his job is to oversee the withdrawal of the ship, he suggests conducting some drilling one last time.
Sector 7 (Korean: 7광구) is a 2011 South Korean 3D science fiction action horror film directed by Kim Ji-hoon who previously made May 18. The film stars Ha Ji-won, Oh Ji-ho, Ahn Sung-ki and Park Chul-min.
