Jack Palmer is a Paris-based detective with a huge ego. Ange Leoni is a rebel native of Corsica whose location can't be pinned down by even the most dogged of detectives. Approached by an obscure, small-time attorney and charged with the seemingly simple task of locating the missing Leoni, gifted gumshoe Palmer accepts the job under the assumption that it will be the easiest money of his professional career. But this superstar sleuth is about to find out just how mistaken he was...

Mike Brannon is a former war hero turned midget car racer. His ruthless racing tactics have made him successful but the fans consider him a villain and boo him mercilessly. Independent, beautiful reporter Regina Forbes tries to interview him but is put off by his gruff chauvinism, and when Brannon's daredevil tactics cause the death of a fellow driver, he finds himself a pariah in the sport thanks to her articles. When she finds him earning money as a barnstorming daredevil driver hoping for a comeback, they begin to become mutually attracted.

While the Second World War rages, the teenage Mahito, haunted by his mother's tragic death, is relocated from Tokyo to the serene rural home of his new stepmother Natsuko, a woman who bears a striking resemblance to the boy's mother. As he tries to adjust, this strange new world grows even stranger following the appearance of a persistent gray heron, who perplexes and bedevils Mahito, dubbing him the "long-awaited one."