When Isla reluctantly accepts her estranged sister Clara's invitation to spend Christmas at a luxury mountain retreat, she expects awkward family tension - not a fight for survival. After years of silence following their mother's death, this holiday reunion seems too good to be true. And it is.As a brutal snowstorm cuts them off from civilization, dark secrets begin to surface. With time running out and nowhere to run, two sisters must put aside years of mistrust to survive the night. But in a house full of lies, how do you know who to trust?A pulse-pounding Christmas thriller that will make you think twice about accepting that family holiday invitation.Perfect for fans of domestic suspense who like their Christmas cookies with a side of terror.TWENTY FIVE CHAPTERS - ONE FOR EACH DAY OF ADVENT. WILL YOU BE ABLE TO WAIT TO TURN THE PAGES OR WILL THIS BE YOUR CHRISTMAS BINGE READ?