Dayna Littleton has been estranged from her younger sister Sky for years. Sky's promises to visit were always met with disaster, first a broken ankle in Tucumcari, New Mexico and then more promises ended in new disasters until Dayna no longer trusted her sister. But with the last cancelled promise a call comes from Sky's landlord. The older woman invites Dayna to visit her sister there for Christmas. The strange invitation doesn't set well, but she...