The Bank Vault Mystery, first published in 1933, is a mystery novel set in New York's financial district involving the theft of a large amount of money and several murders. Following a repair visit by three engineers to fix the vault of a large bank, it is soon discovered that a bag containing $180,000 in cash has disappeared. Private detective Maxwell Fenner and NYPD Detective Inspector Bryce are called in to identify motives, suspects and to eventually solve the case