Music researcher Phineas Fox has been enjoying his latest commission, gathering background material for a biography of Franz Liszt. But although he has - as anticipated - uncovered plenty of scandal in the 19th century composer's past, matters take a decidedly unexpected turn when his investigations lead to Linklighters, a newly-opened Soho restaurant built on the site of an old Victorian music hall, and unearth evidence of a possible murder involving the notorious music hall performer known as Scaramel. Just what was Liszt's connection to Scaramel ... and, through her, to the infamous Victorian serial killer Jack the Ripper? As he delves further, Phin's enquiries uncover clues to a fascinating and extraordinary story - and plunge his own life into jeopardy.