For the past two hundred years the Scion government has led an oppressive campaign against unnaturalness in London. ..Clairvoyance in all its forms has been decreed a criminal offence, and those who practise it viciously punished. Forced underground, a clairvoyant underworld has developed, combating persecution and evading capture...Paige Mahoney, a powerful dreamwalker operating in the Seven Dials district of London, lives a double life, using her unnaturalness illegally while hiding her gift from her father, who works high up in the Scion regime.