In A Rainbow Mystery, Ursula the Unicorn awakens to a forest alive with morning light, birdsong, and the gentle hum of nature, but her attention is captured by a dazzling rainbow arching across the sky. Unlike ordinary rainbows she has seen before, this one pulses with a magical energy that calls to her curiosity and sense of adventure. Driven by wonder, Ursula sets out to follow the rainbow, discovering along the way that each color holds a unique feeling and meaning. In the sunlit meadow, she begins her exploration with redseeing it in poppies, strawberries, and even a ladybugand realizes that color is not just something to observe but to experience, feel, and share. Her journey becomes one of learning, connecting with the world, and embracing the magic, joy, and lessons hidden in every hue, marking the beginning of a vibrant adventure of discovery, courage, and friendship.