. ▁K ang ▁claims ▁he ▁killed ▁her ▁one ▁night ▁after ▁driving ▁her ▁away ▁from ▁the ▁city ▁while ▁working ▁there ▁as ▁a ▁cab ▁driver . ▁Through out ▁his ▁investigation , ▁Kim ▁is ▁repeatedly ▁told ▁by ▁people ▁he ▁questions ▁about ▁K ang ▁that ▁he ▁is ▁not ▁to ▁be ▁trust ed . ▁Still , ▁Kim ▁per se ver es . ▁With ▁much ▁difficulty , ▁K ang ▁finds ▁part ▁of ▁Oh ' s ▁remains . ▁However , ▁when ▁he ▁is ▁inter rog ated ▁by ▁Kim , ▁K ang ▁lies ▁on ▁record ▁about ▁Kim ▁co er cing ▁him ▁to ▁make ▁false ▁statements ▁and ▁b rib ing ▁him ▁to ▁do ▁so . ▁Furthermore , ▁DNA ▁results ▁show ▁that ▁the ▁remains ▁are ▁not ▁Oh ' s . ▁The ▁pro sec utor ▁cannot ▁ind ict ▁K ang ▁as ▁the ▁evidence ▁against ▁him ▁is ▁not ▁convin cing ▁enough . ▁ ▁Kim ▁feels ▁che ated ▁and ▁goes ▁to ▁his ▁former ▁ment or , ▁Song ▁for ▁advice . ▁Song ▁advis es ▁Kim ▁to ▁stop ▁purs uing ▁K ang ' s ▁case ▁since ▁the ▁murder er ▁is ▁trying ▁to ▁make ▁himself ▁appear ▁innoc ent ▁in ▁other ▁cr imes ▁to ▁over turn ▁the ▁sent encing ▁for ▁the ▁crime ▁he ▁is ▁serving ▁time ▁for ▁at ▁present . ▁Kim ▁also ▁vis its ▁K ang ' s ▁older ▁sister , ▁who ▁reve als ▁K ang ▁killed ▁their ▁father ▁when ▁he ▁was ▁just ▁a ▁boy . ▁She ▁helped ▁him ▁cover ▁up ▁the ▁murder . ▁As ▁a ▁result , ▁K ang ▁grew ▁up ▁to ▁become ▁a ▁serial ▁k iller ▁who ▁became