Who's that singing in the Listener Library? Richard Diamond Private Detective, of course! Our thanks to our mysterious listener Matt for recommending "The House of Mystery Case!" A client has called on our musical protagonist to help her uncover the secrets behind her supposedly haunted house. If she doesn't have the nerve to remain, she will lose her inheritance, but staying put could prove fatal! Is something truly supernatural happening? If not, who would want to drive her from the house? Will your hosts enjoy this episode and, if so, will they enjoy it the right way? Listen for yourself and find out!