Alys and Bronagh go on the hunt for one of the island's most notorious residents - a dealer, who was apparently in a relationship with the key suspect in the case. It turns out the suspect is not the only person to have died of a drug overdose in this dealer's ‘house of death'. When the team eventually find her, she agrees to talk on camera for the first time about Damien's disappearance.

Alys and Bronagh deploy a cadaver dog to search for Damien's body. Ultimately, they are led to one of the island's most notorious drug dealers – a man rumoured to have information about Damien's disappearance. When the team track this dealer down, he makes an astonishing offer…