, ▁ 2 0 0 9 , ▁and ▁was ▁market ed ▁as ▁a ▁th ir teen - week ▁limited ▁event . ▁The ▁final ▁two ▁episodes ▁a ired ▁on ▁July ▁ 1 1 . ▁By ▁the ▁end ▁of ▁its ▁run , ▁Har per ' s ▁Island ▁aver aged ▁ 9 . 3 6 ▁million ▁view ers , ▁ranking ▁# 5 0 ▁in ▁N iel sen ▁ratings . ▁The ▁first ▁three ▁episodes ▁a ired ▁on ▁Th urs days , ▁but ▁was ▁moved ▁to ▁S atur days ▁during ▁the ▁week ▁of ▁April ▁ 2 8 . ▁Because ▁of ▁this , ▁Global TV ▁premier ed ▁the ▁following ▁episodes ▁two ▁days ▁prior ▁to ▁the ▁United ▁States . ▁ ▁On ▁July ▁ 1 4 , ▁ 2 0 0 9 , ▁CBS ▁cancel led ▁the ▁series . ▁ ▁Plot ▁The ▁show ▁takes ▁place ▁on ▁Har per ' s ▁Island , ▁where ▁John ▁W ake field ▁went ▁on ▁a ▁killing ▁sp ree ▁and ▁murder ed ▁a ▁number ▁of ▁people ▁before ▁supposed ly ▁being ▁killed ▁by ▁the ▁island ▁sh er iff , ▁Charlie ▁M ills . ▁One ▁of ▁the ▁vict ims ▁was ▁the ▁sh er iff ' s ▁wife . ▁After ▁her ▁death , ▁Sher iff ▁M ills ▁sends ▁their ▁daughter , ▁Abb y , ▁to ▁live ▁with ▁family ▁in ▁L . A . ▁and ▁she ▁hasn ' t ▁returned ▁since . ▁After ▁ 7 ▁years , ▁Abb y ▁is ▁finally ▁returning ▁to ▁the ▁island ▁for ▁her ▁best ▁friend ▁Henry ' s ▁wed ding , ▁but ▁now ▁the ▁killing ▁starts ▁again