Yingmei Yang has changed her name to Mary now that she's learning how to be American. It's hard since her family sticks to their Chinese customs, which can be embarrassing in public. Still, Mary wants to be best friends with popular Holly Hanson. She sees her chance when she adopts one of Holly's kittens. The trouble is that Mary's family can't afford a cat and it could damage their prized musical instruments. To prove her friendship to Holly, Mary must find a way to keep the kitten a secret from her impossible family. It won't be easy!