For Graham it was a blessed sleep in a stranger's armchair after countless nights of excruciating insomnia. For Isbister it was a duty owed to a broken man encountered accidentally on a cliff path. For Ostrog it was the fulfilment of his life's ambition. For humanity it was a stark choice. Slavery or freedom? After two centuries the Sleeper awakes. But does he bring with him the seeds of redemption or destruction?