On Friday next, pub owner Jack Steadman would hang for the murder of Alfie Goode, drunkard and ne'er-do-well. The case was open-and-shut to everyone but Miss Harriet Unwin, who had less than a week to prove that Jack, a Crimean war hero, was innocent. Her snooping soon took her to the ballroom of a retired general's stately manor. But there, between the quadrilles and waltzes, Miss Unwin had to step most carefully, for a killer could make her next...