It's Based on This Case (read true story here)
Please visit the Movies Based on True Stories Database for info on the real story.
URL link: http://babyforsalemovie.blogspot.com/
The Daily News link was broke on the page , but this Daily News article tells the story of the Schneiders.
http://www.nydailynews.com/archives/news/couple-helped-foil-baby-seller-child-article-1.884743
There are some significant differences in the movie vs. real life, but the story portrayed by Lifetime is essentially true.
I was born in the house my father built