The tunnel through the Ridge of Leviathan became the site of a disaster that was great, although it should have been a tremendous achievement. What actually happened? You lost it, although you were assumed to have been by means of your husband and daughter on the train. And then they disappeared from your life forever.
It is one year afterwards, plus a strange man - a scientist who thinks this is just such as other such vanishings and the Bermuda Triangle - invites you to take part in his greatest experiment: To recreate the conditions of that fateful day in Surface: The Pantheon!