TheStilwinsareonvacationtoanisolatedbeachinMexico.Walkingonadesertedjetty,DougStilwingetshislegtrappedunderoneofthelogs.AllattemptstomovethelogarefutileandHelenStilwintakesthecartogethelp.However,anescapedcriminalkidnapsher.Willshebeabletoreturntoherhusbandbeforehedrowns?