It's been only a few months since archaeologist Ruth Galloway found herself entangled in a missing persons case, barely escaping with her life. But when construction workers demolishing a large old house in Norwich uncover the bones of a child beneath a doorway--minus its skull--Ruth is once again called upon to investigate. Is it a Roman-era ritual sacrifice, or is the killer closer at hand? Ruth and Detective Harry Nelson would like to find out--and...