The Plot that Failed adds another "Shadow" to the Heirloom Radio playlist. This March 24, 1940 features Bill Johnstone as Lamont Cranston and Agnes Moorehead as Margo Lane. The Shadow is the one radio show that people who grew up without radio dramas... say they remember hearing.... interesting.... they just think they have heard it because it is so often referred to when talking about the Golden Age of Radio. Remember... The Shadow knows....