The film stars Ha Ji-won, Oh Ji-ho, Ahn Sung-ki and Park Chul-min.

After the tension builds from countless failures, the main character Hae-joon's uncle returns with the hope of searching the untapped wells of oil.

Working together with a researcher on board the rig, he plans to breed a newly discovered life-form whose bodily fluids can burn for longer than 30 hours, as a new form of fuel instead of oil.

Armed with nothing but a few guns and the knowledge of the creature's minor susceptibility to flame, the remaining workers must work together to kill the beast before it hunts them down one by one, and escape the oil rig.

But with its incredible speed (despite its size), its lightning fast, spear-like tongue, and its nearly impenetrable hide, they may not stand a chance.