Professor Peter Plum

Professor Plum has been jealous of Doctor Black since their school days together - Black stole Plum's only love from under his nose. Ever since he has been waiting to have his revenge.

Did the scholarly Professor break the secret of the riddle before Black could?

Here are some of the questions that Inspector Grey has asked Prof. Plum. Try to read as few as possible before making your guess (by clicking on the "Murder Cards" icon above).