Are you sometimes afraid to say what you think – to voice out loud what you believe in your heart? Nowadays, might you look over your shoulder to see who is listening before you open up? Things were no better in 1401. In fact, back then, it was not just your money, your reputation or your career that was at stake if you voiced an opinion that was not politically correct – it was your life.

Simon Treacher has expressed his opinions once too often. Now he has fled from his home in the Chilterns to disappear from view in the lawless Marches of Wales. Once he gets there, it is not long before he becomes involved in another mysterious disappearance. For it is not just Simon who knows things that could cost a life. Young Rhys is already in possession of some very dangerous knowledge. With the aid of a beggar-boy, Rhys sets out to find his father. With Owain Glyndŵr’s revolt blazing across Wales, how can they succeed? Will the truth come to light or will it be destroyed forever in the flames of rebellion?