Pierre is a young man at a crossroads. He drops out of architecture school and decides to travel to Vals in the Swiss Alps, home to a thermal springs complex located deep inside a mountain. The complex, designed by architect Peter Zumthor, had been the subject of Pierre's thesis. The mountain holds many mysteries; it was said to have a mouth that periodically swallowed people up.

Pierre is a young man at a crossroads. He drops out of architecture school and decides to travel to Vals in the Swiss Alps, home to a thermal springs complex located deep inside a mountain. The complex, designed by architect Peter Zumthor, had been the subject of Pierre's thesis. The mountain holds many mysteries; it was said to have a mouth that periodically swallowed people up.

Pierre is a young man at a crossroads. He drops out of architecture school and decides to travel to Vals in the Swiss Alps, home to a thermal springs complex located deep inside a mountain. The complex, designed by architect Peter Zumthor, had been the subject of Pierre's thesis. The mountain holds many mysteries; it was said to have a mouth that periodically swallowed people up.