Murder Game

A gathering of relatives, friends, and acquaintances of an eccentric millionaire decides to spend an evening in a country house playing a stylish "murder game." However, the game stops being a game when one of the guests is found stabbed with a dagger.
Who rid the respectable Sir Charles of his life? Everyone is a suspect, from the chatty cousin of the victim — a society reporter — to the Russian émigré butler. And, as Inspector Scotland Yard Roderick Alleyn discovers, each suspect had both motives and opportunities.