This film opens next Wed. 26th and is getting great reviews and over 8.0 score on IMDB. Set in 1928 it's a true story. Jolie plays a woman who's young son goes missing. The LAPD "return" him but it's a different boy.
No-one believes her and they put her in a mental ward. Directed by Clint Eastwood it's a "must-see" they say.
http://www.imdb.com/title/tt0824747/

http://www.imdb.com/title/tt0824747/