Hello Stranger portrays a young Japanese man and woman who meet by coincidence while on vacation in Indonesia. They decide to tour Indonesia together while keeping their names secret from each other. The movie was filmed in Indonesia and includes various locations that have appeared in Indonesian Movies that were broadcast in Japan such as Monas, Kelenteng Sam Poo Kong, Tugu Yogyakarta, Gedung Sate, Surabaya, and other film location.