A small group of treasure hunters scour the fields by the clifftops. As the weather worsens Ray suggests they stop, but Errol refuses. The rest are about to leave when Errol's detector beeps - he reaches into the soil and pulls out a gold coin. In The Black Dog, Debs and Anthony suggest sharing the loot equally but Errol insists on keeping the coins with him and reporting it properly as he dials the Coroner's Office. That night, a fearful Errol thinks someone is outside his house. In the morning the police arrive to find him in a locked house, dead in his armchair, still clutching the box of coins. Davey thinks he died of natural causes but Jane's not so sure and takes the box of coins for analysis to Professor Tal Greening who tells Jane that the coins are fakes, before asking her to lunch. Later Jane wonders if Errol was actually 'dead' before he arrived home and her suspicions are confirmed at the mortuary; Errol had been poisoned...