IN A GIGANTIC CAVERN THE TEAM COME ACROSS A NUMBER OF STRANGE DOORS, THREE OF THEM MARKED WITH ENIGMATIC SYMBOLS. ANNA-LENA MUST BE BEHIND ONE OF THEM – BUT TIME IS RUNNING OUT AND THEY NEED TO CHOOSE, QUICKLY. ANNA-LENA IS NO LONGER THE ONLY PERSON AT RISK. WHO COULD HAVE IMAGINED THAT THE PORTAL MARKED WITH ! WOULD TAKE THE RESCUERS INTO A DIFFERENT TIME COMPLETELY: IT IS NOW THE EARLY MIDDLE AGES – AND THEY ARE ABOUT TO FIND THEMSELVES IN THE MIDDLE OF A WORLD-CHANGING BATTLE