A woman is murdered in Oxford. Her body is discovered by two men, a prestigious professor and a young graduate student, who quickly realize that this is the first of a series of murders, all of which are announced by the murderer with strange mathematical symbols.
A woman is murdered in Oxford. Her body is discovered by two men, a prestigious professor and a young graduate student, who quickly realize that this is the first of a series of murders, all of which are announced by the murderer with strange mathematical symbols.
