With nothing left to lose, everything is on the line

Baseball player Jung-gu and movie star Nam-mi are a celebrity couple who are blissfully happy in their careers and marriage. One day, a girl named Dong-ju shows up and the couple's lives are instantly destroyed. Seven years later, as Dong-ju gets involved in the death of a middle-school girl, Jung-gu and Nam-mi decide to fight a battle they have no chance of winning.