, ▁Nathan iel ▁Bur ke ▁( J ud d ▁Nelson ), ▁dec ides ▁to ▁show ▁just ▁what ▁Ir ons ' ▁weapons ▁can ▁do ▁and ▁sets ▁one ▁of ▁Ir ons ' ▁son ic ▁can n ons ▁at ▁the ▁highest ▁power ▁setting , ▁firing ▁the ▁device ▁at ▁an ▁abandoned ▁building . ▁However , ▁the ▁weapon ▁back f ires ▁and ▁dest ro ys ▁the ▁building ▁the ▁team ▁is ▁situated ▁in . ▁Ir ons ' ▁partner , ▁Susan ▁" S par ky " ▁S par ks ▁( An nab eth ▁G ish ), ▁is ▁cr ushed ▁by ▁a ▁large ▁sl ab ▁of ▁concrete ▁in ▁the ▁en su ing ▁cha os . ▁In ▁court , ▁Ir ons ▁reve als ▁Bur ke ' s ▁role ▁in ▁the ▁incident ▁and ▁Bur ke ▁is ▁dismiss ed ▁from ▁the ▁military . ▁Because ▁his ▁weapons ▁resulted ▁in ▁S par ks ▁becoming ▁a ▁par ap leg ic , ▁Ir ons ▁res ign s ▁in ▁dis g ust . ▁Meanwhile , ▁Bur ke ▁h atch es ▁a ▁plot ▁to ▁sell ▁Ir ons ' ▁weapons ▁to ▁criminal ▁gang s , ▁rec ruit ing ▁a ▁video ▁ar cade ▁manager ▁to ▁help ▁him ▁carry ▁out ▁this ▁de ed . ▁ ▁Ir ons ▁witness es ▁a ▁bank ▁rob ber y ▁organized ▁by ▁gang ▁members ▁w ield ing ▁Bur ke ' s ▁modified ▁guns ; ▁they ▁escape ▁before ▁he ▁can ▁inter rog ate ▁them ▁on ▁where ▁they ▁obtained ▁the ▁weapons . ▁The ▁gang ▁does ▁not ▁tell ▁Ir ons ▁anything ▁when ▁confront ed ▁directly ▁in ▁their ▁hide out . ▁Ir ons