A murder occurs in a 'secret room' but is the murdered really dead? Whats all the mystery surrounding the Cedars? How could someone be killed if they slept in a locked room? What is Silas Blackburn's secret? Is Bobby the culprit and does Katherine have something to hide? And to top it all off who's the strange quite ghost-like figure in black... With a wonderful art of deduction like Sherlock Holmes, Carlos Paredes eventually solves this unusual case...