MeetRanger!He’satime-travelinggoldenretrieverwhohasanosefortrouble...andalwayssavestheday!Rangerhasbeentrainedasasearch-and-rescuedog,butcan’tofficiallypassthetestbecausehe’salwaysgettingdistractedbysquirrelsduringexercises.Oneday,hefindsamysteriousfirstaidkitinthegardenandistransportedtotheyear1850,wherehemeetsayoungboynamedSamAbbott.Sam’sfamilyismigratingwestontheOregonTrail,andsoonafterRangerarriveshehelpstheboysavehislittlesister.Rangerthinkshisjobisdone,buttheOregonTrailcanbedangerous,andtheAbbottsneedRanger’shelpmorethantheyrealize!