Litefoot mentions that his house is still in a state of disarray.Johnny Skipton previously mentioned Professor Dark to Jago and Litefoot.The music hall song 'Poor Little Dolly' was originally featured in the Sapphire & Steel audio drama Water Like a Stone, likewise written by Nigel Fairs.The first scene is a reprise of the final scene of the audio story Chronoclasm.Both George Nevil and his fiancée Mary Elizabeth Reilly were killed in a freak snowstorm in Brighton on 14 August 1887.Jago's mother claimed that he 'had all the grace of a bull in a china shop.'.Jago refers to the serialised adventures of Sherlock Holmes and Dr John Watson by Arthur Conan Doyle featured in The Strand magazine.Abigail Woburn wears a 'theatrical' wig.Litefoot tells Leela that Queen Victoria apparently hated staying in the Royal Pavilion in Brighton as she felt exposed to the public gaze.Jago first met Gypsy Nancy Lee while she was the proprietor of the Palace Theatre in the 1880s.Henry Gordon Jago - Christopher Benjamin.There, Jago meets and falls for music hall singer Abigail Woburn, a relationship that threatens to split the infernal investigators apart, as dark forces gather on the beach. Escaping the shadowy presence of the mysterious Professor Claudius Dark, Jago, Litefoot and Leela take a holiday in Brighton.