When the perennially cloudy skies of Cadbury unleash a torrential downpour, yarn retreat host Casey Feldstein watches in dismay as the streets surrounding Vista Del Mar become flooded and she and her retreat guests are trapped there. But the storm is the least of their worries when a man is found dead in his room, and the guests begin to speculate that he may have been murdered. With the police unable to reach them, Casey is forced to fill their soggy shoes and investigate.

She's quick to discover evidence pointing to foul play, but with the guests growing restless and suspicious, it's everything Casey and the staff can do to keep them fed, distracted--and safe. Then another body is found, and as the weather finally begins to clear, Casey realizes she has to act fast before the killer makes a clean getaway. Because the culprit has tampered with the evidence and is tying up loose ends, and Casey fears she may be left high and dry--or drenched and dead ...