Deadshifted - Edie Spence Series, #4

As Nurse Edie Spence embarks on her latest supernatural adventure from Cassie Alexander, the perils of the deep threaten to pull her under... Edie Spence is in desperate need of a vacation-some R&R away from the craziness that shadows her as a nurse dealing with paranormal patients. But as she and her shapeshifter boyfriend, Asher, set sail on a cruise for Hawaii, they'll realize that seasickness isn't the only thing threatening their romantic getaway.... DEADSHIFTED While on board, Asher comes face-to-face with Nathaniel, an old nemesis from his dark past.
Asher is convinced he's up to no good...especially when passengers start to come down with a mysterious illness unlike anything Edie and Asher have ever encountered. Soon Edie finds herself fighting for the life of the one person who means the most to her-Asher. As chaos explodes, will Edie be able to save their future together...or will this close encounter with the paranormal side be her last?