BetoisalonelymanwhoworksasRangeroftheisolatedPeninsulaValdes'NationalPark(Chubut,Argentina).Loverofthenatureandanimals,thepeaceofhisdayswatchingorcas,sealsandsealionsintheseaendsafterthearrivalofLola,aSpanishmotherwhotravelstherefromMadridwithhisautistic11yearsoldsonTristánlookingforBetoafterbothwatchhiminadocumentaryaboutwhales.Desperate,LolaaskshelpBetoinordertomakeatherapyforTristán,hopingthathisisolationcausedbytheautismcanbeovercome.Reluctantatthebeginning,BetoagreestohelpTristán,sailingbythecostinaboattomeetorcas(defyingtherulesthatpreventtouchingthemandswimmingthem),theonlyonethatcausesemotionalresponsesinTristán.Asdaysgoby,Tristánstartsslowlytoexpressemotions,inthesamewaythatBeto'sbosstriestofirehiminthebeliefthatorcasareadangerouskillerswhales,LolarealizesaboutafamiliartroubleinSpainandthattheyLolaand..ddd