One sunny morning, seven-year-old Lila went for a walk in the woods behind her house. She really enjoyed the rustle of the leaves and the singing of the birds. Suddenly, under a big old oak tree, the little girl saw something shiny. She bent down and found a small golden key. It was so beautiful that she blinked in surprise. At the same moment, the trees began to whisper mysterious words: "Follow the light, Lilo...". Suddenly, a colourful butterfly flew out of the green leaves and started flying around the girl. The butterfly stopped for a moment, as if it wanted Lila to follow it. Lila looked at the key, then at the butterfly, and decided to move into the forest. The deeper she went, the more unusual sounds she heard. At one point, small, glowing creatures appeared in front of her - they looked like fairies! They floated in the air and their voices sounded like the laughter of bells. One of the fairies stopped right in front of Lila and said: "You have found the key to the magic door, but do you dare to open it?". Lila felt a thrill of excitement. She looked around. In front of her, among the roots of a large tree, a mysterious little door appeared....