Starting just at the end of book 3, we find Constance and Solomon dealing with the aftermath of their decision when a new client asks for their help in solving the mystery of a stolen treasure awakening their curiosity.

While they both get to know the family of the adventurer, they start to unravel pieces and bits from the past of the Lloyds and they also stumble on a possible mystery of their own.

The culprit was really well hidden and the story wonderfully crafted, I am liking both Constance and Solomon more and more and their romance is really tactfully depicted, in stark contrast with our leading lady perceived occupation.

I received an advance copy for free and I am leaving this review voluntarily, thanks to the author for it.

Major mistakes!

Several typos - Constance is mentioned as Constant, Rachel as Rached.

Also there are story errors:
1) Our leads keep mentioning that Audrey told them about visiting Clarke's sister. The error is that she never does. It is Clarke himself who mentions his sister Hetty.
2) Constance also points out that they told a certain person about a certain alias which may have prompted them to commit murder. The error is that the murder already happened before they relayed any information. So Constance and Grey's theory regarding motive makes no sense.

But having said that, 50+ books in, Mary Lancaster is an automatic buy for me. Though I am not a huge fan of this series, I love Ms Lancaster's writing and hence have continued with it. I have to say, romance-wise, this book is the best yet. I finally warmed up to Silver & Grey. They spend a lot of time talking through their feelings in this one, and I am finally on-board. Mystery-wise, the entire series of events is tragic and while I thought the villain was someone else, the final reveal does make sense.

Constance and Solomon are tasked with finding out what happened to the treasure inside a chest in a locked strong room. As they make their way through the many suspects, they must also become comfortable with their own engagement. This was a great mystery, and I can't see what is in store for them in the next book. I received an ARC from NetGalley and Dragonblade Publishing for my honest review.

Okay, so I didn't know a Regency romance murder mystery was something I needed, but I needed it. How refreshing- a glorious reminder of why I love the Regency genre in the first place.