▁Jack ▁Car son . ▁During ▁the ▁prohib ition ▁era ▁the ▁gang ster ▁Arnold ▁Roth stein ▁r ises ▁to ▁be ▁a ▁major ▁figure ▁in ▁the ▁criminal ▁under world . ▁It ▁is ▁also ▁known ▁by ▁the ▁alternative ▁title ▁The ▁Big ▁Bank roll . ▁It ▁was ▁based ▁on ▁a ▁book ▁by ▁Leo ▁K atch er . ▁ ▁Plot ▁Arnold ▁Roth stein ▁g ains ▁a ▁reputation ▁in ▁ 1 9 2 0 s ▁New ▁York ▁City ▁as ▁an ▁expert ▁g amb ler . ▁He ▁so ▁impress es ▁mob ▁b oss ▁Big ▁Tim ▁O ' B rien ▁that ▁he ▁is ▁given ▁a ▁job ▁in ▁his ▁illegal ▁enter pr ises . ▁ ▁Roth stein ▁has ▁a ▁lif el ong ▁pal , ▁Johnny ▁Bur ke , ▁and ▁makes ▁a ▁dead ly ▁enemy , ▁Phil ▁Butler , ▁a ▁cor rupt ▁cop . ▁He ▁r ises ▁to ▁become ▁rich ▁and ▁well ▁known ▁in ▁g amb ling ▁circles , ▁often ▁using ▁r uth less ▁tact ics , ▁like ▁trick ing ▁business ▁partner ▁Jim ▁Kelly ▁into ▁sacrific ing ▁his ▁half ▁of ▁their ▁arrangement . ▁ ▁Although ▁he ▁has ▁little ▁time ▁for ▁a ▁personal ▁life , ▁Roth stein ▁imp uls ively ▁mar ries ▁Carol yn ▁Green , ▁an ▁attract ive ▁actress . ▁He ▁dev otes ▁little ▁effort ▁to ▁their ▁marriage , ▁his ▁principal ▁obs essions ▁being ▁to ▁build ▁a ▁huge ▁bank roll ▁and ▁to ▁som ed ay ▁win ▁a ▁pok er ▁hand ▁with ▁a ▁royal ▁flush . ▁ ▁As ▁his ▁emp ire ▁grows , ▁so ▁does ▁his ▁ar rog ance . ▁Roth stein ▁eventually ▁s