Cabin in the Woods

In this story, you are a team of renowned detectives. You are contacted by some worried parents. Their children had gone skiing for a week in the Austrian Alps, but they did not come home at the expected time. The parents have already tried to call them, but to no avail. It seems as if they have disappeared from the face of the earth. The local police are baffled, and so, you head to the location where they were last seen: a ski hut in the village of Hippach. Can you find the friends and solve this mystery?