The Staircase in the Woods

Five high school friends are bonded by an oath to protect one another 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 - and 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...