Plot

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.

Inseparable friends Woo Min (Song Seung Heon), Cheol Joong (Kwon Sang Woo), Do Wan (Kim In Kwon), and Young Hwan (Ji Seong) drift into a life of crime built on solid camaraderie, making them the best criminal alliance the city has to offer. But with the passage of time, they look for ways to restore their innocence. Marking their next casino heist as their last act, they vow to walk away from it all and find a new life. But their chance to turn over a new leaf slips through their fingers when Cheol Joong capriciously pulls a double cross. Events snowball into a climactic point of no return and a ruthless game of greed and revenge begins between the betrayer and the betrayed, with only fate left to determine the outcome of the battle.