圣诞节时，一个相互关系失和的家庭在他们密闭的房子里，经过电视收到了令人不安的指示信息，让他们在一场可怕的生活之战中相互攻击……

Matthew’s life is devastated after the disappearance of his younger brother, Tom. Matthew’s father had left him to look after Tom and now Matthew feels responsible. His father is trying to hold back t