After a request from one of her most exalted clients to pose for a painter friend, Luciana, part-time model and full-time prostitue, agrees to model for the central figure in Botticelli's masterpiece 'La Primavera'. But when the artist dismisses her without payment, Luciana impulsively steals an unfinished version of the painting - only to find that friends and clients are slaughtered around her in an attempt to get it back. So Luciana turns to the one man who has never desired her beauty, novice monk Brother Guido Della Toree, to discover what could be so valuable about the painting.