Dr. Mark Sloan and his son, Steve, are getting some sun and surf on the Hawaiian island of Kauai. But their vacation is interrupted when a local restaurant owner falls victim to a shark attack. Rather than return home, father and son elect to hang around and enjoy what's left of their holiday. Then Mark makes a startling discovery on the beach: a mixture of corn syrup and red dye...also known as movie blood. An examination of the body reveals that the victim was already dead--murdered in fact--before becoming shark food. Now Mark and Steve must help police capture a predator more deadly than anything swimming in the ocean....