For Sister Bear's birthday, she receives a special locket inscribed with the Golden Rule. She doesn't quite understand what it means, even though Mama Bear explains it. Then an new girl arrives at her school, and she's faced with a choice: Should she ignore the new girl at school just because her friends do? As she befriends a lonely newcomer, she understands what the Golden Rule looks like in action. The Berenstain Bears and the Golden Rule shows children how choosing to be kind may not always be the easy choice. But it is always the right one.