Pal mer ), ▁asks ▁him ▁to ▁substitute ▁for ▁a ▁team ▁member ▁in ▁a ▁Double ▁Dutch ▁tournament , ▁Iz zy ▁disco vers ▁his ▁new ▁love ▁for ▁jump ing ▁ro pe ▁and ▁in ▁the ▁meant ime , ▁he ▁soon ▁disco vers ▁true ▁love ▁in ▁Mary ▁and ▁he ▁de alt ▁ ▁with ▁his ▁father ▁only ▁wanting ▁him ▁to ▁box ▁and ▁follow ▁in ▁his ▁foot steps . ▁Fil ming ▁took ▁place ▁from ▁June – J uly ▁ 2 0 0 6 ▁in ▁Toronto , ▁Ontario , ▁Canada . ▁ ▁Plot ▁▁ ▁Is ad ore ▁" I z zy " ▁Daniel s ▁( Cor bin ▁Ble u ) ▁is ▁a ▁star ▁box er ▁in ▁Brook lyn , ▁hoping ▁to ▁win ▁the ▁Golden ▁Glo ves , ▁like ▁his ▁father ▁Kenneth ▁( David ▁Re ivers ), ▁who ' s ▁also ▁his ▁coach . ▁Iz zy ▁compet es ▁in ▁an ▁exhibition ▁match ▁against ▁Rod ney ▁( P atr ick ▁Johnson , ▁Jr .), ▁his ▁class mate ▁and ▁the ▁neighborhood ▁bul ly , ▁and ▁wins ▁using ▁strategy ▁and ▁focus , ▁giving ▁him ▁a ▁chance ▁to ▁go ▁to ▁the ▁Golden ▁Glo ves . ▁ ▁Iz zy ' s ▁neighbor , ▁Mary ▁Thomas ▁( Ke ke ▁Pal mer ), ▁is ▁a ▁compet itive ▁Double ▁Dutch ▁player ▁on ▁a ▁team ▁called ▁the ▁Joy ▁J ump ers ; ▁though ▁the ▁two ▁are ▁always ▁arg uing ▁around ▁each ▁other , ▁their ▁friends ▁know ▁that ▁they ▁have ▁cr ush es ▁on ▁each ▁other . ▁Iz zy ▁brings ▁his ▁younger ▁sister , ▁Kar in ▁( K yle e ▁Russell