On the bustling docks along the River Thames, Great Britains merchant ships unload the treasures of the world. And here, in dank and sinister alleys, sex merchants ply their lucrative trade. The dreaded kingpin of this dark realm is Jericho Phillips, who seems far beyond the reach of the law. But when thirteen-year-old Fig is found with his throat cut, Commander William Monk of the River Police swears that Phillips will hang for this abomination.