Alexa, Anna and Alice are ghosts, but they may still be able to save themselves and the other ghosts from a dreadful future. But new challenges block the way to success, and the sisters quickly realize that saving their neighborhood won't be as easy as they'd hoped. As Alexa struggles to figure out who she can trust, Anna is trapped between doing what is right or saving her own skin. And Alice, once an innocent little girl, realizes that being a ghost might not be so bad after all...