One rainy afternoon, Tim stood in front of the bathroom mirror, mirroring his teeth with an indistinct grimace. He knew that the time for brushing was approaching, but he was finding it increasingly enjoyable to put off the activity. Suddenly, as he brought his toothbrush closer to his mouth, he felt a strange swirl of air - as if something was trying to suck him in! Before he had time to react, it was already swirling in a tunnel made of soft gums and white teeth. When he finally collapsed onto the soft carpet of his tongue, he looked around stunned. He found himself in a huge hall, full of porcelain-white columns that looked just like his own teeth. Miniature figures ran around - they had shiny dental aprons and funny caps with fibres that resembled toothbrushes. - Hello, Tymek! - shouted one of them, introducing herself as Captain Tile. - You have arrived in Toothland! Here we keep things neat and tidy. But recently a problem has arisen... A group of gloomy black shadows emerged from around the corner, whispering 'sugar, sugar' and leaving a sticky grey mist behind. One shadow looked ominously at Tymek, and then the whole room went silent. - 'These are the Protozoa,' whispered Captain Tile. - 'If we don't stop them, they'll overrun the whole kingdom! But you are here! Maybe you are our saviour? Tymek stepped closer, feeling his heart begin to beat faster. For the first time he looked at his toothbrush as if it were a real weapon. The caries moved towards him....