Heir Hunters - Season 12 Episode 6 -

Michael Buerk follows the heir hunters as they take on a very valuable estate. Alexander Gibb left behind not one, but two valuable properties and the search for his heirs uncovers great country estates and a history of landed gentry. Meanwhile, new certificates connected to the case of Robert Heavens reveal a surprising family secret and long lost family members, leaving the heir hunters to start their search again.