At her mother's cottage on a costal Georgia river, Abbey Taylor Bunn cherishes Labor Day as an annual getaway. On the eve of her departure for the yearly holiday weekend, Abbey is mystified by a series of alarming events concerning her husband. As is uncertainty about her marriage isn't enough, her dearest friend is diagnosed with cancer and must make a decision about undergoing life-altering surgery. Predictions about a fast-moving tropical storm heighten Abby's tension and leave her alone to cope with her husband and fearful friend. As the intensifying storm sweeps nearer, Abby presses her sly spouse for troubling answers while giving her shaken companion room to find her own solution. When the catastrophic Category 4 hurricane makes landfall nearby, their focuses narrow, and each momentous decision they make could be their last.