Ghost Terminal, the transit center of the dead, is a must–visit place for the dead who have left this world before going to the underworld. The dead will stay in the <Ghost Terminal> for 49 days, undergo immigration screening, and only the dead can cross the Nether on a boat bound for the underworld. Seon–woo, who lost his mind in an explosion at Incheon Airport, wakes up in <Ghost Terminal>. However, Seon–woo is in a coma, not dead, and he finds out that he has come to <Ghost Terminal> by mistake. While waiting to return to the living world, Seon–woo hears the news that his wife and daughter, who were together at Incheon Airport, are still trapped at the airport and that the airport is about to collapse. The place where his wife and daughter were imprisoned was in a remote place out of the reach of rescuers, and only Seon–woo knew the location of the place. He hurriedly tries to return but the situation goes against his will, and he ends up being trapped in the terminal. Seon-woo, who had to be back to save his family, tries to escape from <Ghost Terminal> with all his might…