When one of the world's rarest orchids is smuggled illegally into Midsomer Malham it releases the heady scents of passion, jealousy, and death. Barnaby and Scott must root out who is prepared to spend hundreds of thousands of pounds, and commit murder, just to get their hands on it.

DCI Barnaby and Sgt. Scott investigate when John Ransom is found murdered with suspicious burn marks to his head. The investigation leads to two feuding families of Midsomer Mere, one with the ability of second sight, and the battle between faith and science.