Wow! Unbelievable. I have questions. How does a morally grey vigilante also have a golden retriever vibe? How does “a nice guy gym influencer” become wrapped up in said morally grey person? The cupcake? I melted at that point.
This is the first book by Tamsyn Greer. I feel like if you have read any of the books under their other pen name, Morgan Lysand, you would have recognized their writing style. That being said, Tamsyn’s writing is different. It is darker with a slight detour towards viciousness. There were actually a couple of parts where I was totally caught off guard or had to close my eyes for minute. I watch shows like Criminal Minds and CSI, but I have to admit I got a little squeamish for a hot second. I would hands down recommend the book if you’re into darker themes and morally grey mc’s. If you’re like me and love anything with found family, this book will also make you happy. If you want romance and don’t care about anything else, look no further as Casey and Dallas have romance and steam. Overall, this book has a bit for everyone just read the warnings first.
Below the surface is a dark romance and should only be read by those 18+
I loved this it was sweet and spicy and the plot kept me engaged the whole time Casey was just so adorable and hilarious but also deadly I loved how his and Dallas relationship grew.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
C
Cynthia Brow
May 10, 2026
Below The Surface is part of the multi author In The Spotlight series. Each book can be read as a standalone but why not enjoy the whole series. Please read the trigger warnings before you start this book as it does have some dark themes. This is the story of Casey and Dallas. I loved this book so much. Casey and Dallas are perfect for each other. I loved the side characters and world building that went into this book. This book has some spicy moments, some action, and an interesting plot. I'm looking forward to reading Tamsyn Greer's next story. I would definitely recommend this book.
I was absolutely engaged in Casey's double life here. Such a stunning and sensual Merman with a strong vigilante side got my attention. He could change on a dime, and I appreciated that this book did not shy away from that side of him. It was that needed layer to bring the emotion and intensity. I loved that he wanted to protect Dallas. Their relationship was quick and strong, and I was in for that!
Below the Surface is part of the multi-author In The Spotlight series and each can be read as a standalone. There is some darkness to this so you will want to check the trigger warnings. I really enjoyed Casey and Dallas's story and the characters.