Alice (Rachel Blanchard: Road Trip) and Josh (Stephen Moyer: True Blood), a couple on the verge of a nasty divorce, attempt to sell their empty love nest and move on with their lives. After a successful open house they are horrified to discover, days later, that two potential buyers Lila (Tricia Helfer: Battlestar Galactica) and David (Brian Geraghty: The Hurt Locker) didn’t leave their home. Imprisoning Alice in the basement, the sadistic, predatory houseguests move in upstairs. Soon, Alice senses David is keeping her capture a rebellious secret from his viscous partner. Now she knows her way out… if she can only get out alive.