简介：OneNewYear’sholiday,Rodrigo(30)andMariana(20)drivetotheremotesouthPacificcoastofCostaRica.Arrivinglateatnight,theyfindKarina(7),whotellsthemsheranawayfromhomebecauseheruncletouchesher.Theydecidetostaythenightandtrytofindhelpinthemorning.Butbydawn,thegirlisgone. Thecouplecheckintoahotel,andMarianacan’tstopwonderingwhathappenedtothegirl.Rodrigoisawaymostoftheday.Shecan’tdoanythingbutwait,andinherloneliness,shebecomesmoreandmorerestlessanddistressed.Karinagoesbacktoherparents’campsiteonthebeach,oneamongstthedozensoffamiliesonholidaythathaveinvadedtheotherwisecompletelywildnationalpark.Hermothergroundsherforrunningaway,andforthefirsttimeinherlife,herfatherfailstodefendher. Bothgirlsaretrappedandisolated,whileoutside,hundredsofpoisonousseasnakesswimoutofthewaterduetounusualcoldcurrents.Childrenbuildtunnelsinthesand,whichadultsfearmightcaveinonthem.Theholidayistaintedwiththepossibilityoftragedyateveryturn.ButwhenMarianafinallymakesherwaydowntothebeach,findsKarina,andrealizesthatthesupposedabusewasalie,shebecomesawarethattheonlyrealtragedyisthelonelinessandlimitsofherownprivilegedlife.…