Korean Film director, Kim Taehoon plans to shoot his new film in a small local city called Gojo, Japan. He travels with his assistant director, Park Mijeong to do research prior to scriptwriting. They travel through several villages that are declining, and interview some local residents there. Most people say there is nothing special about Gojo. Along the way, Kim and Park meet a municipal official, Yusuke and a middle-aged man, Kenji, and are deeply impressed by their stories. The night before director Kim is to leave Japan, having a strange dream, he wakes up in the middle of night, and looks up at the night sky in Gojo.

Overview from themoviedb.org