4.5 stars 
 This book has sat on my TBR list (and my physical bookshelf) for quite some time, and I wish I knew why it took me so long to actually read it. Deadly Silence is a great continuation of the Sin Brothers series, not a follow on, but a spin off. These are not the same men we met in Sin Brothers, but they are of similar background. Ryker, Heath and Denver are blood brothers. Creating a family out of the bonds that pulled them together as children in a group home, these three men now work together to find the lost, and the answers about their childhoods that haunt them. 
 Ryker Jones has questions about his past, but knows he can only ask so many questions before the people he is trying to avoid find him. He and his brothers are intelligent, strong, and highly trained. Trailing a serial killer while also search for clues to their pasts means Ryker hasn't settled down in one place for long. But in his travels and work in Cisco, WY, he has a a casual arrangement that has turned not so casual. 
 Zara Remington, paralegal, is in over her head at work and with Ryker. Though they started casual, things have changed despite her best efforts. She finds herself cooking meals when she knows he'll be around and keeping his favorite beer on hand. She isn't willing to admit things have changed, but Ryker can be pretty persuasive when he sets his mind to something. In a sticky situation at work, she is caught between needing her job and loyalty to a friend, and it seems that her choices have put her in danger. 
 Ryker isn't sure what angle Zara's threat is coming from. She says she's fine, but the bruise on her cheek says otherwise. Then unexplained things start happening, and he doesn't know if the danger is from her secrets, or his. I loved watching his protectiveness ramp up as he realized he didn't want to leave Zara behind, nor did he want to see her threatened in any way. 
 Zara is a great match for Ryker, both challenging him and taking care of him in a way he had never experienced before. As the brothers circle around Zara, she takes each one in as well, becoming almost a sister to Ryker's brothers. The care she showed each man gave them a glimpse of what Ryker was willing to fight for. 
 This book was filled with suspense and action. I loved watching how this story begin to weave into the Sin Brothers, feeling separate from the original but also connected. Once the story hit the point where the two series collide, I couldn't put this one down and had to know the outcome. There were just so many surprises, it kept me reading and wondering long past when I should have stopped. 
 I look forward to Denver and Heath's stories as well as finding where the series plot arch will take these brothers. 
 I was gifted a copy in exchange for an honest review. (But I also have a purchased copy at home.)