A university lecturer and his student lover skip town to start a new life. No one hears from them again, until a marijuana bust uncovers the lecturer's corpse in a suburban cellar ten years later. How did he get there? And where is his "true love"? The team rallies to stay hopeful about Duncan as they try to piece together the last days of these lovebirds. Waverley on the other hand is at the mercy of the Office of Police Standards - who finally reveal their hand.