In1939,WBN,afourthradionetwork,isabouttotaketoAmerica'sairwaves.Asiftheconfusionofthepremierenightwasn'tenough,PennyHenderson,theowner'ssecretary,mustdealwithanunhappysponsor,anoverbearingbossandasoon-to-beex-husbandwhodesperatelywantsherback.Asthebroadcastbegins,amysteriousvoicebreaksthebroadcastandsuddenlymembersofthecastturnupdead.It'suptoherhusbandRoger,tofindoutwhodunitasthepolicechasehimthroughthehallsofWBN.