Actors James Nesbitt and Sarah Parish embark on a quest to find close connections as they dive into their separate family histories. Sarah discovers the source of her passion for education dates back to the 1800s and her great-great-granduncle who successfully campaigned to make education possible for every child in Scotland and James learns about his grandfather's heroic last stand before he became a prisoner of war to the Germans in the First World War

Acerbic comedians and old friends Julian Clary and Jo Brand discover their family history using a mix of DNA and genealogy while meeting living cousins.