From the stylish blue streak in her hair to the fun decorations she designs for the Mini Cupcake Club, Ren Lu is always looking for ways let her creative side shine bright! When Fenton Street School announces their Kindness Week, Ren has the idea to make mini cupcakes for everyone in her grade. After all, what's kinder than a cupcake?

But when someone else tries to sprinkle in their own ideas, it makes Ren feel a little sour. This is her idea, and she has it all under control...until she doesn't. Can Ren learn how to accept some help before her plan falls flat?