This was actually a pretty good movie. I'm giving it 4 stars because it's a family movie, but it has some "language" which kind of defeats the purpose for a family movie. However, my kids aren't saints, and so we still watched it together and enjoyed it. A few of my kids are adopted, so it kind of hit home. The movie tries to tackle some issues of foster care and adoption, and does a pretty good job, but be aware that it does have a specific message. Read on, if you have adopted or foster kids. This is a review of the movie, not the book.
SPOILERS: In this story, Gilly is a foster kid who has really been bounced around. She has a bad attitude, and has gotten kicked out of a lot of places in the past. The movie starts when she goes to live with a foster Mom who is quirky, but wonderful. As the story progresses, for the first time in her life, Gilly finally feels like she is part of a "family." Gilly makes some serious mistakes, but she really loves her newfound "family."
But then Gilly's wealthy biological Grandmother discovers her existence, and gains custody of Gilly. This is really heart-wrenching, and part of you (as a viewer) wants the bio Grandma to be a jerk, so Gilly can go back to live with the sweet, loving foster mom. But that's not what happens. The bio Grandma is still a decent person, and although she's not as "warm and fuzzy" as the foster Mom, she still loves Gilly. Gilly's bio Grandma tries to re-introduce Gilly's bio Mom, and that is a complete disaster, and Gilly realizes that her bio Mom is very selfish, but that her Grandma is trying really hard.
In the end, the "moral" of the story is that Gilly needed to stay with her bio Grandma: basically, biology trumps. But it muddies the waters quite a bit, as it then depicts Gilly and her bio Grandma forging an "open" relationship with the former foster family--an outcome that is unrealistic in many instances. So the story sort of comes across as a nice fantasy. In any case, adoptive/foster families should be aware that the movie has a slant toward reunification, and it fairly unflinchingly portrays a bio mom who is selfish and incapable of a relationship. Good movie, and it provides things to talk about. Just view with discretion in the event that any of those things are a delicate topic in a household with adopted or foster kids.