Leaving the heartache of sexual betrayal behind her in London, historian Sarah Thomson intends to make the most of her research trip to Venice. But she soon finds her attention consumed by mysterious millionaire Marco Donato. Despite their deepening relationship, however, the handsome playboy persists in playing a secretive game. What exactly is Marco hiding?

The subject of Sarah's research is eighteenth-century Venetian Luciana Giordano. At a time when debauchery is the city's favourite pastime, virginal Luciana is kept out of trouble by a zealous chaperone - until she meets a man who promises to help her escape her restraints. But just what does the worldly stranger want to teach her in return?