Who Do You Think You Are? - Series 4 - Griff Rhys Jones

Series in which celebrities trace their ancestry, discovering secrets and surprises from their past. In her twenties, Griff's mother Gwyneth learned that her mother had been adopted following the death of Gwyneth's real grandparents in a train crash. Griff wonders why the the tragedy should have been kept secret for so many years, but when he examines the story more closely he quickly discovers that all is not as it seems.