Attheheightifhispopularity,S.S.VaneDinepensalocked-roommysterywithalethaldoseofsexandsinwhereinfamousactress,“TheCanary,“ismurderedinhercageafterapassionatenightwithherlover.MargaretOdell,thefamousBroadwaybeautyandex-Folliesgirlknownas“TheCanary“,isfoundmurderedinherransackedapartment,herjewelrystolen.Itappearstobearobberygonewrong,butthepolicecanfindnophysicalevidencetopinpointaculprit.Noonewitnessedanyoneenteringorleaving,andtheonlyunwatchedentrancetotheapartmentbuildingwasboltedfromtheinside.WhocouldhavekilledtheCanaryinherlockedcage?Margaretwasseeinganumberofmen,rangingfromhighsocietygentlemantoruthlessgangsters,andmorethanonemanvisitedherapartmentonthenightshedied.