Oscar-winning actress Susan Sarandon travels to Wales in search of her ancestors. The Hollywood star has always believed that her family originally came from Wales but will she be able to prove it? Joined by ten members of her family, her search begins in west Wales, where she enlists the help of genealogists and DNA experts.

Assumed identities, bigamy and murder, not only the stuff of Emmerdale but also of actor Patrick Mower's real life family, as he discovers when he makes an emotional journey back to his roots in Porth, South Wales.