Five high school friends, bonded by an oath to protect each other no matter what. Then, on a camping trip in the middle of the forest, they find, something extraordinary: a mysterious staircase to nowhere. One friend walks up - but never comes back down. Then the staircase disappears. Twenty years later, the staircase has reappeared. Now the group returns to find the lost boy - and what lies beyond the staircase in the woods...