The movie Thirteen is a story about a girl who tries to be cool, makes bad choices with a new friend, and gets into trouble. Eventually, she stops playing, realizes her mistakes, and goes back to her loving mommy for a big hug and safety.Here is how you can explain the story in simple, toddler-friendly terms:Once upon a time: There is a little girl who is feeling sad because she doesn’t feel special.The new friend: She meets a popular "big girl" and wants to be just like her. To get the big girl's attention, she does things she is told not to do, like breaking rules and taking things that don't belong to her.Uh oh: Because she is trying too hard to be cool, she gets into big trouble, gets sad, and loses her way.The happy ending: The little girl's mommy steps in to stop the bad playing and keep her safe. The little girl realizes her mommy is her best friend and runs to her for a giant, comforting hug.