Lord Peter Wimsey an unofficial attaché to the British Foreign Office. Harriet Vane contacts him about a problem she has been asked to investigate in her college at Oxford ("Gaudy Night"). At the end of their investigation, Vane finally accepts Wimsey's proposal of marriage. The couple marry on 8 October 1935, at St Cross Church, Oxford, as depicted in the opening collection of letters and diary entries in "Busman's Honeymoon". The Wimseys honeymoon at Talboys, a house in east Hertfordshire near Harriet's childhood home, which Peter has bought for her as a wedding present. There they find the body of the previous owner,
Lord Peter Wimsey talents himself, not least photography, often proves instrumental in Peter's investigations. However, Wimsey is not entirely well. At the end of the investigation in "Whose Body?" (1923) Wimsey hallucinates that he is back in the trenches. He soon recovers his senses and goes on a long holiday. The next year, he travels (in "Clouds of Witness", 1926) to the fictional Riddlesdale in North Yorkshire to assist his older brother Gerald, who has been accused of murdering Captain Denis Cathcart, their sister's fiancé. As Gerald is the Duke of Denver, he is tried by the entire House of Lords, as required