Four friends bound by destiny and unbeatable in the dark world. When a casino attack goes wrong as a result of betrayal, fate turns them into enemies. Now, forced to aim the gun at each other's hearts, their unavoidable battle begins.

• CJ Entertainment
• Song Seung-heon
• Kwon Sang-woo
• Ji Sung
• Park Han-byul
• Kim In-kwon
• Ahn Nae-sang
• Min Ji-a
• Jung Woo