Cam Derringer is spending the day teaching his friend Stacy how to dive. But when they return from Joe's Barge deep in the Straits of Florida, they find they were also seen in Marathon at Sombrero Beach killing seven people. How can that be? They even have a movie from a cell phone to prove they were at the beach. This is the most difficult case Cam has ever had to solve. If he doesn't prove his innocence, he is also sending Stacy to prison for the rest of her life. The murders at Sombrero Beach are just the beginning of the nightmare. More people are killed and the finger keeps pointing at Cam. Can he clear himself and Stacy when even if he has a hard time believing he didn't do it? Find out in, Deep Blue Alibi.