In the 1950s, a young American man goes to Denmark and makes headlines for having the first sex-change operation.

Ornithologist Abner Peacock sells off his modest-selling birdwatching periodical to a charlatan who turns it into a girlie mag, making it a massive financial success. After Peacock and the magazine are taken to court on obscenity charges, he unwillingly becomes a reluctant hero and ends up a swinging libertine.