In an emotional journey, actress Michelle Collins travels to Wales to uncover the heart-breaking story of her grandfather's tragic life as a professional boxer. However, nothing prepares Michelle for the shocking family secrets she discovers.

TV presenter Gabby Logan and her father, former Wales manager Terry Yorath, learn the heart-breaking story of the Yorath family in 19th century Cardiff. Gabby and Terry also discover their family's heroic past in the First and Second World Wars.

Former deputy prime minister John Prescott discovers a shocking secret behind his family story in Wales. Accompanied by his wife Pauline, nothing has prepared John for this highly emotional journey which begins in his mother's home town in North Wales.

007 movie star Samantha Bond (Miss Moneypenny) makes an emotional journey to South Wales and uncovers her family's tragic connection with one of Britain's biggest coal mining accidents in which 295 miners lost their lives.

Monty Python star Terry Jones makes an emotional journey back to his home town of Colwyn Bay in North Wales and uncovers his family's connection with a chilling Victorian murder.