Behind oak-panelled doors in the House of Commons, men with cut-glass accents and gold signet rings are conspiring to murder. It's the late 1960s and homosexuality has only just been legalised, and Jeremy Thorpe, the leader of the Liberal party, has a secret he's desperate to hide. As long as Norman Scott, his beautiful, unstable lover is around, Thorpe's brilliant career is at risk. With the help of his fellow politicians, Thorpe schemes, deceives, embezzles - until he can see only one way to silence Scott for good.