An underground drilling genius leads an oil heist to puncture the nation’s largest pipeline known as the “artery” and pushes his luck against a disastrous explosion and corporate greed. Gun-Woo (Lee Soo-Hyuk) comes from a wealthy family that runs a large company. Still, he hatches a plan to steal oil hidden in an underground tunnel in South Korea. Pindol (Seo In-Guk) is the best drilling technician in the country. They team up with Jeobsae (Eum Moon-Suk), Section Chief Na (Yoo Seung-Mok), Keunsab (Tae Hang-Ho), and Counter (Bae Da-Bin). The group is chased by Detective Man-Sik (Bae Yoo-Ram).