Escape The Everglades by Caridad Pineiro

His son is in danger and only one investigator and her K-9 can rescue him.

Two years after his wife’s death, ex-marine Carlos Ruiz isn't looking for romance. But then army vet and security expert Natalie Rodriguez and her incredible K-9 walk into his life in the Everglades. Before long, the purely professional relationship turns all too personal, especially once Carlos’s little boy goes missing. Now, as they follow the K-9's every lead, uncovering the truth becomes vital to the child's rescue. And to securing their all too precarious future...