Aunt Munca never told the truth about anything. Calling herself after the mouse in a Beatrix Potter story, she was already a figure of mystery during the childhood of her nephew Ferdinand Mount. Half a century later, a series of startling revelations sets him off on a tortuous quest to find out who this extraordinary millionairess really was. What he discovers is shocking and irretrievably sad, involving multiple deceptions, false identities and abandonments. The story leads us from the back streets of Sheffield at the end of the Victorian age to the highest echelons of English society between the wars.