Desc: Who Are You?: Directed by Ho Choi. With Lee Na-young, Cho Seung-woo, Jo Eun-ji, Lee Jang-won. Hyungtae is a game programmer working on the ultimate online dating game. Working 24/7 on the 30th floor of the tallest building in Seoul, the company's future, whether or not it sinks to the bottom depends on the success of the game.