One sunny morning, Felix the Fox wakes up to find his shadow missing! Without it, he feels invisible and scared. He sets out on a whimsical adventure through the forest, meeting quirky friends—a sleepy owl, a dancing frog, and a wise old tortoise—each giving him clues. In the end, Felix learns that his shadow was hiding because he had forgotten to be kind and honest. When he helps another animal in need, his shadow joyfully returns.