▁the ▁Ch est ▁of ▁Dav y ▁Jones ▁is ▁genu ine , ▁but ▁is ▁interested ▁in ▁a ▁set ▁of ▁Let ters ▁of ▁Mar que ▁that ▁employ ▁the ▁holder ▁as ▁a ▁Private er ▁for ▁the ▁British ▁Crown . ▁The ▁Let ters ▁of ▁Mar que , ▁if ▁valid ated ▁by ▁Lord ▁Beck ett , ▁also ▁grant ▁the ▁owner ▁a ▁full ▁p ardon . ▁Nor r ington ▁also ▁obser ves ▁a ▁bud ding ▁relationship ▁between ▁S par row ▁and ▁Elizabeth . ▁When ▁Elizabeth ▁he ars ▁that ▁Will ▁Turner ▁is ▁being ▁held ▁capt ive ▁on ▁the ▁F lying ▁Dutch man , ▁Nor r ington ▁suggests ▁that ▁S par row ▁is ▁somehow ▁involved , ▁though ▁she ▁dis bel ieves ▁him . ▁ ▁At ▁Is la ▁Cru ces , ▁Nor r ington , ▁Jack , ▁and ▁Elizabeth ▁go ▁ash ore ▁to ▁search ▁for ▁Dav y ▁Jones ' s ▁ch est . ▁After ▁finding ▁it , ▁Nor r ington ▁real izes ▁Jack ▁was ▁telling ▁the ▁truth . ▁Will ▁Turner ' s ▁sudden ▁arrival ▁results ▁in ▁a ▁three - way ▁sword ▁fight ▁between , ▁Nor r ington , ▁S par row , ▁and ▁Turner ▁to ▁claim ▁the ▁ch est : ▁Jack ▁wants ▁to ▁free ▁himself ▁from ▁his ▁blood ▁deb t ▁with ▁Jones , ▁Will ▁wants ▁to ▁liber ate ▁his ▁father ▁from ▁Jones ' s ▁crew , ▁and ▁Nor r ington ▁wants ▁to ▁reg ain ▁his ▁career ▁by ▁present ing ▁the ▁ch est ▁to ▁Lord ▁Beck ett . ▁Mat ters ▁are ▁further ▁complicated ▁by ▁the ▁F lying ▁Dutch man ' s ▁crew ▁arriv