 In 1939, WBN, a fourth radio network, is about to take to America s airwaves. As if the confusion of the premiere night wasn t enough, Penny Henderson, the owner s secretary, must deal with an unhappy sponsor, an overbearing boss and a soon-to-be ex-husband who desperately wants her back. As the broadcast begins, a mysterious voice breaks the broadcast and suddenly members of the cast turn up dead. It s up to her husband Roger, to find out whodunit as the police chase him through the halls of WBN.