London, 1802. Major Harry Sterling has left behind his regiment and military duties following the death of his father and, in quick succession, his older brother. The responsibilities that come with being Duke of Ranliegh now fall to him, including marrying and siring an heir without delay.

But who is the right match for the charming ex-soldier? There are plenty of options, including the delightful Winslow sisters: Isabella, Angelina and Charlotte.

Meanwhile, Harry finds it hard to leave his soldier instincts behind and he uncovers a web of treachery in which it seems that someone is supplying secrets to Napoleon, and that his brother's death was no accident. As the investigation unfolds, so Harry's search for a wife continues ... surely the eldest Winslow girl, the wilful Isabella, wouldn't be right at all ...