'She was a Fellow and Tutor of Scone College and the world must learn that Fellows and Tutors of Scone College shall not be done to death with impunity.' The Hon. Charlie Mortdecai, the inspiration for the character in the film Mortdecai, starring Johnny Depp, is invited to Oxford to investigate the cruel and most definitely unusual death of a don who collided with an omnibus. Though her death appears accidental, one or two things don't add up - such...