In the first book, Butcher and Blackbird, Sloane and Rowan are serial killers who fall in love. Leather and Lark follows Sloane’s best friend, Lark, and Rowan’s older brother, Lachlan, who is a serial killer and contract killer, respectively. Interesting group of people. I have to wonder if everyone they know is a killer. I am starting to think so. Anyhoo, Lachlan and Lark get married in an attempt to save their brother and friend. You see, Lark’s family is into organized crime, and someone is targeting their business, and they think it’s Lachlan. In true Mob fashion, they have no problem targeting his family. So they get married. Lark’s family wouldn’t dare go after her husband. Kind of slim reasoning, but however to get the plot rolling. This book was fine. Lark is a fun character. It’s not as focused on murder as the first book, but there are some fun death scenes. I liked Butcher and Blackbird better. It was just easier to get into. It wasn’t that this book was slow, but I wasn’t as interested in Lachlan and Lark as I was in Rowan and Sloane. I think it’s because I didn’t really find Lachlan all that interesting. He fits the noble hero role, who will do what it takes to protect his family, even if that means committing murder for hire. Lark is similar in that regard. It is her idea that they get married to protect Sloane and Rowan. Not a bad book by any means, but not as exciting as the first.