Ergo Proxy is an experimental anime series that combines multiple genres such as road-movie, gothic sci-fi, psychological drama, and action. The story takes place in a post-apocalyptic world where the only habitable place is a city called Romdo. The main character, Re-l Mayer, investigates a series of strange murders while Vincent Law, a self-absorbed man, gets involved in a dangerous situation. The series explores the relationship between humans and artificial intelligence. The soundtrack, composed by Yoshihiro Ike, is a masterpiece that perfectly captures the atmosphere of the show.