Aktenzeichen ungelöst [Case number unresolved]

It's been exactly six months. A hotel room rented by a young woman. Suddenly she disappeared. Your luggage is still there. The room is devastated. Looks like a fight took place. Traces of blood everywhere, but no sign of the woman. The surveillance cameras in the hallway and foyer prove that she did not leave the room and that no stranger entered it either. What happened? The police have thoroughly examined the room and are still groping in the dark. The relatives are desperate, they want certainty. can you solve the case In 66 minutes, room service will remove all traces and release the room again. Can you find out what happened before then?