Kun and Busaba are going to be married. But their sweet moment collapses when Kun is alleged to be the assassin who killed a politician and is holding a confidential clip. Kun claims himself to be innocent before he is moved to prison zone 8E88 where he is forced to reveal the truth about the clip. Meanwhile, the son of the deceased politician wants to find the clip that he thinks is with him, so Kun decides to escape from prison…