Paradise is shaken when the body of a young woman is dragged onto a university research vessel during a class outing in Hilo Bay. Cleo Cooper is shocked when she finds her favorite student is on the hook for the murder. Danger lurks on land and sea as Cleo and her friends are enticed to search for the true killer. Between paddling, swimming, and arguing with her boyfriend, Cleo discovers all is not what it seems on the Big Island of Hawaii. But will she find the truth before she becomes the next victim?