"A Life-or-Death Decision") is a 2006 South Korean neo-noir action crime film directed by Choi Ho, it stars Hwang Jung-min as a detective trying to track down a drug lord by cooperating with a mid-level drug dealer, played by Ryoo Seung-bum.

Sang-do (Ryoo Seung-bum) is a fast talking crystal meth dealer who considers himself more of a businessman than a criminal.

His uncle was a drug dealer (Kim Hee-ra), specializing in manufacturing crystal meth.

Do's partner died four years ago, while trying to take down the top drug dealer Jang Chul (Lee Do-kyeong) in Busan.

Since his partner's death, Do has been driven to arrest Jang Chul and this time he plans to use Sang-do to finally take him down.