Celebrities trace their family trees to reveal the lives of their ancestors. Emilia Fox, who was heavily pregnant while filming this episode, was intrigued to find out what family traits her baby might inherit. Part of the Fox theatrical dynasty, Emilia wants to find out just how far back the family's acting roots go.
Emilia also discovers, in an extraordinary tale of rags to riches, that her great-great-grandfather Samson Fox made one of the most important inventions of the 19th century. Born into an impoverished family, Samson started work in a Leeds textile mill when he was just eight years old, but ended up becoming one of the richest men in Victorian Britain. As Emilia investigates further, she discovers how her illustrious ancestor was later touched by scandal.