As a consequence of a stupid bet, two leaders of the Principality of San Cito decide to swap sweet and pure Princess Sofia with Helga, the queen of sex, a nymphomaniac prostitute. Thrown out of the palace, romantic Sofia becomes a guest of the Blue Pussy, a luxury whorehouse, where she is exposed to the sexual fantasies of men who submit her to their luscious will. On the other side Helga the whore who has a hard time understanding good manner is suffering of her present poor sexual life, due to the etiquette, so she decides to make a pilgrimage to the Blue Pussy where she meets ex Princess Sofia.

Sofia and Helga’s revenge! The girls have uncovered the sinister wager that the Piroshki brothers had made and now it’s their turn to have a little fun!