Changeling

Oh oh, You people should watch the movie,changeling. Its about a mother who lost her son and everyone wont tell the truth until she found the truth herself.I mean she sacrifise her life for her son.The police even put her in the psychopath hospital for god sakes.But in the end theres this one boy decided to confront the detective and told him what happen,the truth.
Quote Roger Ebert,chicago sun-times :

"It has not a single unnecessary stylistic flourish.No contrived dramatics.No shocking stunts. "