Gone Baby Gone is Ben Affleck s directorial debut and is based on the novel from the acclaimed author of Mystic River. It is an intense look inside an ongoing investigation about the mysterious disappearance of a little girl. Two young private detectives (Casey Affleck and Michelle Monaghan) are hired to take a closer look at the case and soon discover that nothing is what it seems. Ultimately, they will have to risk everything their relationship, their sanity, and even their lives to find a little girl-lost. The film also stars Academy Award Winner Morgan Freeman ( Million Dollar Baby ) and Academy Award Nominee Ed Harris ( Pollack ).