John Mannering (aka 'The Baron') makes his first appearance in this volume. Lord Fauntley cannot help showing off both his daughter and the security under which his precious jewels are kept. Mannering finds himself attracted to both .... Money is tight and so he plans a burglary, but this fails and unexpected consequences result. The relationship with Lorna Fauntley flourishes, and a series of high profile thefts and adventures ensure Mannering's future, so he believes, until Lorna equates him with 'The Baron'. One of the many further twists in this award winning novel occurs when the police appear to seek Mannering's help, only to have everything turned upside down as the plot develops . . .