In episode one, Len Goodman is shocked to discover that his great-great grandfather James Blackhall, was assaulted by his own son Henry. Mariella Frostrup finds out that her great-great grandfather William Martin Eckersley was found guilty of fraud. And Johnny Vegas discovers that both his great-great-great-great grandfather Philip and his wife Ann Haines, spent time in prison for stealing and drunkenness. He also finds out that Philip was not just a criminal but a southerner to boot.