The director has had the opportunity to meet the friends of the same age at the 2005 North-South Korean College Students' Conference. "Can I meet them again?" In the process of answering the question, he first checks the traces of anti-communist ideology : Lee Seungbok Memorial Hall, DMZ Museum, and National Security Law. He then goes to Berlin to hear that there are North Koreans in Berlin.And he puts the public flyers to looking for them all over Berlin. People warn about the dangers of this project. Instead, he interviews those who have met directly or indirectly with North Koreans who may appear somewhere in Berlin like a ghost. Their contact with North Koreans was as unfamiliar as an encounter with ghosts but not serious. And the director will wait for the ghost in front of the statue of Marx and Engels for one year. The ghost of a North Korean resides somewhere and appears imperfectly. But the contact with them is illegal, so he can never reach the entity of the ghost. However, its existence is part of the elements that make up the relationship of North and South Korea. [KIM Sukhyeon]