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Plot:
When a four-year-old girl, Amanda McCready (Madeline O’Brien), goes mysteriously missing in Dochester, one of Boston’s toughest neighborhoods, and the local police fail to solve the case, her aunt, Beatrice McCready (Amy Madigan), turn to two private investigators for help. Patrick Kenzie (Casey Affleck) and Angie Gennaro (Michelle Monaghan) reluctantly start an investigation as they have little experience with this type of case. But they succeed in getting on the trail of the girl’s abductors due to criminal contacts. They discover that Amanda’s drug-addicted mother, Helen (Amy Ryan), and her boyfriend cleaned out one of the local drug dealers who in revenge kidnapped the kid. They promise to pay him back in exchange for the girl; however, the switch goes horribly awry. Patrick and Angie come to realize that they have taken on the perilous job but their professional arrogance forces them to see it through.

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