"London, 1947. Spirited Miss Iris Sparks and ever-practical Mrs Gwendolyn Bainbridge are called to action when Gwen's beau Salvatore 'Sally' Danielli is accused of murder! Sally has taken a job at the BBC studios at Alexandra Palace, but when the beautiful Miss JeanneMarie Duplessis - one of the Parisian performers over for a new variety show - is found dead in the old theatre, a number of inconvenient coincidences make him Suspect No:1. Just days...