NathanCarman,ayoungmanwho,afterafishingtripwithhismotherLindaoffthecoastofNewEngland,survivesaweekonaliferaftwhilesheislostatseaThesensationalincidentrenewsinterestintheunsolvedmurderofCarman'swealthygrandfatheryearsearlier,spurringamediafrenzy,awaroveravastfamilyfortune,multipleinvestigationsandultimatelyfederalchargesagainstCarmanformurderonthehighseasWithunprecedentedaccesstofamily,friendsandinvestigators,thefilmisanauticalthrillerthatexploresintimatehumanmysteriesaboutfamily,greed,perception,mentalhealthandtheunpredictablemindofanenigmaticyoungman