The movie tells a strange and terrifying reality story about webtoon writer Ji-woo (played by Sung Joon) who visits the abandoned apartment Gwanglim Mansion. "Strange House" consists of 5 ghost stories, based on daily materials that modern people can experience, such as "Floor Noise", "Mold", and "Elevator", giving people a dense sense of fear. This is also Sung Joon's first public work after his discharge from the military. "Strange House" will first be released in theaters, and will then be released on OllehTV, Seezn, and Skylife platforms from July 30th.