Kailani Pope wants nothing more than to be a proud member of the Honolulu Police Department. Both her father and grandfather were cops, her five brothers are cops, and the only thing she has ever wanted from the time she can remember wanting anything, was to be a cop. She has passed all the requirements to be selected for the police academy but somehow her number never seems to come up. While she is waiting for her name to work its way to the top of the list she works as a lifeguard for the Dolphin Bay Resort. When a guest of the resort is found murdered, Kailani decides that if she can solve...

Lani is trapped when a school of sharks gather to feed between her location beyond the breakers and the beach. When she is finally able to come ashore she finds that the meal the sharks were feeding on was a who rather than a what. Based on the evidence provided it looks like the victim was murdered prior to becoming shark food. Luke and Lani set out to find the killer but during the course of the investigation Lani not only leanrs the truth behind Shredder's secret past but she also learns a surprising secret about Luke that may change everything she believes to be true.