Jenny Linsky, the shy little black cat, enjoys a wonderful birthday picnic in the park with her brothers and friends.

When a crow flies off with her birthday bonnet as she walks to dinner, Madame Chapeau chases the thief through the streets of Paris while admirers offer her replacement hats, but none seem quite right until someone offers a special gift.

"Nine-year-old besties Nour and August stumble upon the perfect place for their dream hideaway—a hidden garden full of majestic trees. Excited to build a tree house, they design blueprints, research plant care, and collect necessary tools and materials. What was intended to be a secret hideaway becomes the perfect place for a once-hidden garden to come to life for their families to celebrate a very important birthday . . . and a long-lost friendship....