A Regency romance with a bit of a twist. Jason Jonquil is a younger brother of a titled household, making his own way in the world as a barrister and trying to uphold his station in life as a gentleman, but when Mariposa Thornton walks into his life with a task which is somewhat beneath his dignity, he finds himself doing all he can to help the infuriating woman. She's been ousted from her home in Spain by the Iberian Peninsular wars and is desperately trying to find what's left of her family whom she believes may have fled to their English relatives.There are a few twists and turns, largely caused by Mariposa not being entirely forthcoming about her real quest or the man she believes means to harm her family. It took me a while to warm to Mariposa and Jason as a characters. In the end it's all resolved without bloodshed. I was somewhat disappointed that a character whom we never meet, but hear much of, doesn't have his story resolved at the end. It may be resolved in one of her other Jonquil Brothers books, but I had this as a review copy from Netgalley and the blurb didn't mention that it was number four in a series. To its credit it stood up on its own, except for resolving this particular character. Now that I know it's a series, I guess the next brother will be resolved in another book.