Alternate ending that got thrown out
This is according to the "spoiler" section on the IMDB page:
The creators of the film initially had an even darker ending in mind. Rocky (Jane Levy) was not supposed to make it out of the house. Instead, the Blind Man (Stephen Lang) locks her up in a cell, and even though the police come to investigate the burglary, they miss the door to her cell.
Even though this movie was riddled with "wtf?"s, it was the ending that was just unacceptable. With a thorough police investigation, there is no way that they wouldn't discover a 3rd person had been there, and that it had been Rocky. She gets tracked down, and The Blind Man goes to jail with her.
The writers blew a chance at a little bit of redemption with a more believable ending. Overall, a interesting concept, but executed terribly.