LeonelgrowsupintheUnitedStates,believingthatRobertoishisbiologicalfather,andalthoughheisunsureofhisorigins,anddoesn'tspeakSpanish,heconstantlyhasnightmaresinvolvingtheborderwithMexico,andawomanhecannotremember.Buthecontinuesonanddoesn'taskhimselfmanyquestions.Hislifeisgood,hehasanexcellentrelationshipwithhisparents,abeautifulgirlfriend,lotsoffriendsandamorethanpromisingfutureasaboxer.Whathedoesn'tknowisthatallthisisabouttoberadicallychangedbyabetrayal.Onthedayofaveryimportantfight,hegetsarrestedanddeportedtoMatamorosasanundocumentedvisitor,nevergiventhechancetoprovethathe'sactuallyanAmericancitizen.FatewilltakehimtoaneclecticneighborhoodinMexicoCitywherehewillhavetoconfronthisbeliefs,survive,rediscoverhisorigins,unravelmysteries,breakprejudices,learnanewlanguage,adapttoMexicanculture,makenewfriendsandfindtruelove,withoutneglectinghisboxingdreamandtheurgetoreturntowhatheconsidershiscountry.