Kacper took another look in the mirror and sighed. Was it possible that an ordinary boy from a small town could experience something truly magical? The boy wasn't sure. However, that night, just after brushing his teeth, something extraordinary happened. It all started when he turned on the tap in the bathroom to rinse his toothbrush thoroughly. Suddenly, instead of the usual water, a silver, shimmering mist flowed from the tap. Kacper reached out his hand, and as the mist enveloped his fingers, he felt a slight tickle. After a moment, the world swirled and the boy felt as light as a feather. Before he had time to call his mum, he disappeared from the bathroom. When he opened his eyes, he found himself on top of a huge white tooth that stood high above a rippling, glittering land. Other teeth piled up around it – some sharp as fangs, others flat and wide. The entire valley was enveloped in bluish mists that smelled of mint. In the midst of them ran bizarre figures resembling toothbrushes, toothpaste and floss, who chatted and laughed with each other. Kacper looked down, then jumped up, frightened. Down at the base of the tooth, little black shaggy creatures were swarming about. Their eyes glittered ominously. One of them was waving a miniature drill; another was splashing a dark liquid onto the enamel. ‘Who are you!’ cried Kacper, trying not to show fear. Suddenly, a tall, elegant figure in a white coat embroidered with the words ‘Doctor Szkliwińska’ appeared beside him. ‘It’s the Próchniaks,’ she whispered. ‘They only come when children forget to brush their teeth every day. We need your help, Kacper. Only someone with a clean smile can save Zęboland!’ The sky above the land began to darken, and the creatures drew nearer, climbing higher and higher, jumping from tooth to tooth. Kacper looked at his toothbrush, which was suddenly in his hand. He felt a great adventure approaching, but he had no idea what was about to happen…