After receiving a package from his grandfather, Ray, a young inventor who lives in England during the mid-19th century, finds himself caught in the middle of a deadly conflict related to a revolutionary advance in steam power.
Steamboy is a 2004 Japanese animated steampunk action film directed and co-written by Katsuhiro Otomo, produced by Sunrise, it is his second major anime as a director, following Akira (1988). The film was released in Japan by Toho on July 17, 2004.