SherlockHolmeshasretired.ButwhenMacDonaldaskshimtotakeonanothercase,hesaysyes.Therehasbeensomemysteriousmurders,andtherearenovisiblecausesforthedeaths.AtthesametimeHolmesgetsthiscase,GrafUdoVonFelseckgiveshimanothercase:findayoungandmissingprincetopreventwarbetweenGermanyandEngland.ButVonFelseckisnotashonestas..aaa