Nine people are stuck in an elevator. One of them has a ticking bomb that can't be defused. The other eight will do anything to survive. There is no escape and no promise of rescue. As the tension in the elevator mounts the unthinkable soon becomes the only reasonable solution.

Identical twins Kate and Chris Lockhart plot to be the other sister – at Kate’s office and Chris’ school – and take on planning their sister’s Christmas events. One rule, though: no romance.