Franek and Maja spend the night in their tree house. But when a whisper answers from outside and a strange light drifts toward the window, their cosy night turns eerie.
Franek and his little sister Maja loved their tree house in the garden. That night, they climbed up with torches, pillows, and their favourite teddy bears, ready for the best sleepover ever.
Mum and Dad called goodnight from below, and the little house grew warm and snug under the blankets. Franek was just closing his eyes when he heard it - a soft, shivery whisper right under the window.
"Ssssss... who's here?"
Franek sat up so fast his pillow slipped away. Outside, a tiny spinning light floated through the dark, wobbling closer and closer. Maja grabbed his hand. The light stopped at the door, hovering there like it was waiting. Then the whisper came again, closer this time, and the door began to open very, very slowly...