When a terminally ill child begins to get better under the ministrations of a phony psychic, Monaghan begins to wonder if the man may actually have supernatural powers, and what his real motives are. A new research associate, brooding Peter Locke, joins the investigation.

Meanwhile, Justine looks into the case of a young woman washed up on a beach in Scotland, who claims to be a survivor of a 100-year-old shipwreck.