▁Agent ▁Bro yles ▁( L ance ▁Red d ick ) — and ▁the ▁Ob ser vers ▁to ▁their ▁presence ; ▁a ▁coordin ated ▁team , ▁instruct ed ▁to ▁shoot ▁on ▁sight , ▁is ▁dispatch ed . ▁ ▁A ▁more ▁coh er ent ▁Walter ▁explains ▁that , ▁according ▁to ▁the ▁Ob server ▁known ▁as ▁September , ▁the ▁Ob ser vers ▁made ▁the ▁Earth ▁un in hab itable ▁by ▁ 2 6 0 9 , ▁and ▁so ▁tra ve led ▁back ▁in ▁time ▁to ▁take ▁over ▁the ▁planet ▁themselves . ▁As ▁forces ▁corner ▁the ▁three , ▁Walter ▁sets ▁up ▁an ▁ant im atter ▁device ▁to ▁w ipe ▁out ▁the ▁Mass ive ▁Dynamic ▁building ▁and ▁their ▁purs u ers . ▁Walter ▁is ▁able ▁to ▁lead ▁Simon ▁and ▁E tta ▁to ▁where ▁Peter ▁Bishop ▁( J osh ua ▁Jackson ), ▁A str id ▁Far ns worth ▁( J as ika ▁N icole ) ▁and ▁William ▁Bell ▁have ▁been ▁enc ased ▁in ▁am ber . ▁They ▁are ▁able ▁to ▁free ▁A str id , ▁but ▁as ▁Fr inge ▁forces ▁approach ▁they ▁find ▁the ▁equipment ▁to ▁free ▁the ▁others ▁has ▁mal function ed . ▁Simon ▁sacrific es ▁himself ▁to ▁the ▁am ber ▁in ▁order ▁to ▁push ▁Peter ▁free , ▁while ▁Walter ▁se vers ▁Bell ' s ▁hand ▁for ▁an ▁unknown ▁purpose . ▁They ▁escape ▁the ▁area ▁as ▁Bro yles ▁and ▁his ▁team ▁arrive , ▁though ▁Bro yles ▁finds ▁a ▁piece ▁of ▁lic or ice , ▁a ▁tell t ale ▁sign ▁of ▁Walter ' s ▁presence . ▁As ▁the ▁group