Bertie James's college class is having their 40th anniversary reunion. The opening night reception is held at the Lighthouse Library. After the reception, some of the women take a walk down the dark boardwalk to the pier, but what's scarier than the dark is finding the former director of the Lighthouse Library, Helena Sanchez, floating dead in the water. Helena spent the party being rude to almost everyone. As a result, Lucy finds herself in deep water as she questions several suspects. But she'll have to batten down the hatches and fast before she's left right in the killer's crosshairs.