SeasonedhorsejockeyJackson(CliftonCollinsJr.)hasweathereddecadesofracesontheridingcircuit,buthenowfindshimselffacingwhatcouldbehislastseasonashishealthdeteriorates.WiththehelpofRuth(MollyParker)andapromisingnewhorse,Jacksonstartstopreparefortheupcomingchampionship.Hisplanstakealeftturnwhenabuddingyoungjockey(MoisésArias)showsupandclaimstobehisson.Caughtbetweenyearningforaconnectionanduncertaintyabouthisownfuture,Jacksonconfrontsdifficultquestionsregardinghislegacy.