1 9 2 0 s , ▁am bit ious ▁but ▁small time ▁th ief ▁Jack ▁Diam ond ▁and ▁his ▁sick ly ▁brother ▁Edd ie ▁Diam ond ▁move ▁to ▁New ▁York ▁City . ▁Jack ▁meets ▁dance ▁instruct or ▁Alice ▁Sh iffer , ▁lies ▁to ▁her ▁to ▁date ▁her ▁and ▁to ▁ste al ▁a ▁neck lace ▁from ▁a ▁j ew el ry ▁store . ▁After ▁being ▁in car cer ated ▁for ▁a ▁time , ▁he ▁works ▁with ▁Alice ▁at ▁her ▁dance ▁school ▁while ▁on ▁prob ation . ▁ ▁He ▁then ▁gets ▁h ired ▁as ▁body guard ▁of ▁inf am ous ▁Arnold ▁Roth stein ▁who ▁gives ▁him ▁the ▁nick name ▁Leg s . ▁His ▁plan ▁is ▁to ▁supp lant ▁Roth stein ▁with ▁the ▁intention ▁of ▁ste aling ▁his ▁boot leg , ▁dru gs ▁and ▁g amb ling ▁business es . ▁After ▁Arnold ▁is ▁murder ed , ▁Leg s ▁Diam ond ▁s ells ▁protection . ▁When ▁he ▁travel s ▁to ▁Europe ▁with ▁Alice ▁on ▁a ▁vac ation , ▁he ▁sees ▁in ▁the ▁newspaper ▁that ▁the ▁New ▁York ▁under world ▁has ▁changed ▁with ▁the ▁National ▁Pro hib ition ▁Act . ▁Leg s ▁returns ▁to ▁America ▁and ▁confront s ▁the ▁synd icate , ▁demand ing ▁a ▁cut ▁from ▁their ▁operations . ▁He ▁k icks ▁Alice ▁out ▁of ▁his ▁life ▁and ▁turns ▁to ▁Mon ica , ▁who ▁bet ray s ▁him . ▁Hit ▁men ▁enter ▁his ▁hotel ▁room ▁and ▁shoot ▁him ▁dead . ▁In ▁the ▁final ▁scene , ▁as ▁his ▁cor pse ▁is ▁being ▁removed ▁on ▁a ▁st ret cher