Fran is preparing for her forthcoming wedding to Assistant Chief Constable Mark Turner, but renovations at the rectory they plan to move into are disrupted by the discovery of a skeleton buried in the vegetable patch. As investigations into its identity progress, it's also clear that Mark's two grown-up children are less than ecstatic at the prospect of their father's forthcoming nuptials. In fact, at least one of them seems to be behaving very strangely...