The young lady Miss Lavinia Bromsby has just returned to England a few days ago and her father the rich construction tycoon Mr. Melvin Bromsby invited many people to his country estate Sherringford Hall. Rumors say that during opening address the host is to pronounce something very important concerning the future of his company. He barely started welcoming his guests in the ballroom as Sir Melvyn Bromsby suddenly falls on the floor. A red spot is visible on his tuxedo right on his heart. As the crowd gathers around the dead tycoon Sherlock Holmes and Dr. Watson start their investigations… Watson, could you hand me the mobile?