Information for James V: Katherine at Byre Theatre, St Andrews (Play). Katherine Hamilton is nineteen. She's a respectable young married woman, but she also has a secret love she's trying to forget. When her brother, Patrick, is executed for preaching ideas forbidden by the church, Katherine is also put on trial for her life. In a packed courtroom, watched by most of Edinburgh and the cynical, young King James V, Katherine fights for survival, using her intelligence and wit. This play is based on real historical figures and is a dramatic interpretation of key events at the very start of the Scottish Reformation, events that did happen and did change Scotland forever. It is also a love story.