To the Greeks and Romans, the "dog days" occurred around the day when Sirius appeared to rise just before the sun, in late July. They referred to these days as the hottest time of the year, a period that could bring fever, or even catastrophe. For Nix Maybelle Blake and her friends that couldn't be more true. Her first summer back in the Outer Banks was supposed to be a good time all the time. Arguments with Kooks, a hurricane, and a treasure hunt leads Nix and her friends on the adventure of a lifetime. But can they walk the fine line between triumph and catastrophe.