One day, just before bedtime, Peter was cleaning his teeth in front of the mirror. Suddenly, his toothbrush flashed with coloured light! The boy closed his eyes and felt everything around him begin to whirl. When he looked again, he was standing on the soft, mint-coloured grass, and all around him grew big, white houses in the shape of teeth. - Hello! - called out a funny little creature with blue hair and white clothes. - I'm Dandelion, I live in Teething Land! Peter looked around. There were lots of jolly Tooties running around on the grass. Each had a toothbrush, and instead of backpacks they carried silver threads. They were all laughing and jumping merrily, telling jokes to each other. Suddenly Dandelion said in a quieter voice: - Peter, something special is happening here today.... The Dandelions hear strange mutterings from the Dandelion Cave. No one knows what's hidden in there. We have to check it out! But before we go there, we have to be very clean-toothed! All the Toothpickers started running for their toothbrushes, toothpaste and floss. Peter felt a slight tremor and his heart beat faster. What were those sounds coming from the Toothpick Cave? Together with his new friends, he set off towards the secret entrance, on the way brushing his teeth even more thoroughly than ever.... Just then, at the very end of the mint-scented path, they heard a loud, deep murmur and saw a shadow passing behind a large white stone. Peter stopped and looked at Teeth, who was staring at him with wide-open eyes....