Acaveinofalocalcanaltunnelunderrestorationrevealstheskeletonsofeightindividuals.Whilemostoftheskeletonsarefromacaveinwhenthecanalwasunderconstructioninthe19thcentury,oneisobviouslyofamorerecentvintage.DentalrecordsidentifyhimasEricEdwardswhowasreportedmissingin1965.Supt.Barnabydelvesintothehistoryofthecanaltoseeifhecanfindaconnection.DSTroyisoverthemoonwhenhelearnsthathehasqualifiedasaDetectiveInspectorandthattheremaybeajobforhiminanothercounty.InwhatmaybehislastcaseinMidsomer,hefollowsuponananonymoustipthatteenagersareharassingalocalhermit,Tom.Whenoneofthoseteenagersisshotthroughthehead,Barnabyleaves"Inspector"Troyinchargeofthecase.