Kuam is a shabby port town in the shadow of stunning port city of Busan. Hee-su is a third-rate gangster who has been acting like a hotel manager under Mr. Sohn for 20 years. Seemingly out of nowhere, Yong-kang, who fled the country as a murder suspect, returns home and begins causing trouble all over town, which only adds pressure to Hee-su. “Drugs? Port? What’s going on?” When he finally comes to, he’s in the middle of this turmoil. What decisions can he make to save his pitiful soul?