Eighty years after three men--a father and two sons--vanish without a trace while working on a project to build a road through the Florida Everglades, a descendant of the men enlists former police officer Max Freeman to uncover the truth.

Undertaking a technology-free vacation in an isolated region of the Florida Everglades, private eye Max Freeman and detective Sherry Richards are caught in the path of a violent hurricane that tests their survival skills and pits them against murderous looters.