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.

"Something awaits them 8,000 feet under the sea…"

Credits

Kim Ji-hoonDirector

Ha Ji-wonCha Hae-joon

Oh Ji-hoKim Dong-soo

Ahn Sung-kiLee Jeong-man

Park Cheol-minDo Sang-goo