TKKG: Das Unheimliche Zimmer

Actually, the four friends of TKKG just wanted to go for a bike ride, turn their backs on the city of millions and spend a relaxing weekend in the countryside. But when they are surprised by a thunderstorm and have to seek shelter in an abandoned hotel, they come across a terrible secret ... And before they know it, they are in the middle of a thrilling criminal case, in which it quickly becomes c...