London 1884 Sidney Grice
- London's foremost personal detective
- is restless Having filed his latest case under 'S' for ' Still To Be Solved' his ward March Middleton remains determined to uncover the truth When an attaccker strikes on the murky streets of Limehouse & a new victim is discovered in an overcrowded cafe it's clear March & Grice are on the trail of a serial offender A trail that leads them to a Prussian Prince an Armenian gangster & the shadowy ruin of a once-loved family home Steep House