The bomb baby was in Hiroshima, in utero, at the moment of the glamorous detonation. As a result of prenatal exposure to gamma rays, he is tiny and mentally deficient, but his physical vigor is unimpaired. Living on a makeshift raft on the river that runs through town, he only comes ashore to disrupt high-tone weddings at Hiroshima Cathedral. It's a hobby for him. He disappears soon after spoiling a Yakuza wedding. This doesn't sit well with the leading lights of the expatriate community, who've adopted the bomb baby as a mascot. They dispatch Sam Edwine, a reluctant and inefficient American slob, to search "Boom Town's" sordid and musty places, of which there is a wide assortment...