Death in a White Tie

Blurb

Death in a White Tie is a detective novel by Ngaio Marsh. It is the seventh novel to feature Roderick Alleyn, and was first published in 1938. The plot concerns the murder of a British lord after a party.
It was adapted for television in a 1993 episode of The Inspector Alleyn Mysteries, a BBC production. The director was John Woods, the screenwriter Ken Jones, and Alleyn was played by Patrick Malahide.