It should have been a tremendous achievement, but the tunnel through the Ridge of Leviathan became the site of a great disaster. What really happened that day? You were supposed to have been on the train with your husband and daughter, but you missed it. And then they disappeared from your life forever.

It's one year later, and a strange man - a scientist who thinks this is just like the Bermuda Triangle and other such vanishings - invites you to take part in his greatest experiment: To recreate the conditions of that fateful day in Surface: The Pantheon!