In 1933, when Korea was under Japanese occupation, five people in Gyeongseong are suspected to be “Phantom” spies of the anti-Japanese organization.

Nicknamed after a human-devouring spirit, the ruthless leader of an overseas black ops team takes up a dangerous mission in a city riddled with spies.

Four young men want to leave their dystopian world behind and go to a distant paradise to execute a money robbery, a daring act that will have unexpected consequences.