HEIRS OF OWAIN GLYNDWR

1 July 1969. The Investiture of the new Prince of Wales. When Arianwen Hughes is arrested driving with a home-made bomb near Caernarfon Castle, her case seems hopeless. Her brother Caradog, her husband Trevor, and their friend Dafydd are implicated in the plot, the evidence against them damning. Ben Schroeder's reputation as a barrister...