Natalia, Kuba and Irek - three friends from a shared student flat - never imagined that an ordinary Wednesday evening would turn into an adventure they wouldn't forget for the rest of their lives. It all started when Kuba, standing in front of the bathroom mirror, began to grumble about his morning tooth-brushing routine. - Why do we need all this oral hygiene? - he chuckled wryly, grabbing his toothbrush. - I feel like it's just a waste of time. Natalia rolled her eyes, reaching for the toothpaste. - Do you want to have bad breath at the exam? You've got to be kidding me. Besides... At that moment, something happened that neither of them had expected. The mirror in the bathroom suddenly trembled, as if a storm had raged beneath its surface. A bright light flooded the room, and Cuba, who was holding his toothbrush right next to the surface, felt something pull him into the depths. Before they had time to scream, all three were sucked through the mirror and fell onto the soft, strange-smelling grass. All around them was an incredibly colourful world - the sky was celadon and huge purple teeth stood out like mountains above a forest of brush. - Am I the only one who can see that... it all resembles a mouth? - Irek looked around uncertainly. Suddenly, a small feathered creature ran out from behind a clump of shiny porcelain-like bushes, waving dental floss like a spade. - Intruder! - he shouted. - The rotters are approaching! Only you can save us! The friends looked at each other in disbelief. A deafening murmur echoed in the distance, the ground trembled and dark, pulsating shapes appeared on the horizon....