Someone is tampering with the water supply in the small Brazilian community, causing many to get sick, including Pilár Silva's beloved grandmother. Pilár leaves Chicago and travels to Salvador, Bahia at the start of Carnival season. She must trust Yoshi Tanaka's expertise as a scientist and his abilities to keep her safe.Yoshi, an award-winning Hydrologist, is supposed to stay in Rio for a conference, but he honors his brother's request to help a co-worker from The Castle who's in the region. To keep Pilár safe, he must keep her close.Danger stalks them like a thief in the night. Will they explore their budding feelings, or will one of them end up in a shallow grave?ABOUT THE QUEENS OF THE CASTLE SERIESEach Queen book is a standalone, with NO cliffhangersUSA TODAY and National Bestselling Authors have created a world where women can-and will have it all-love, family, career, and leave a legacy while overcoming generational challenges.These powerful women brought together for a higher purpose, change lives by providing safety for those who cannot protect themselves, care for those from tragic backgrounds, and make an impact on their families, communities, and the world at large.The Kings laid the foundation; the Knights created a bridge of hope between continents, but the Queens will change the world.