Returning home after her grandfather's murder by bus as her car was pushed off the road and wrecked in a canal. Dr. Sable Chamberlain is trapped in an ice storm on dangerous to travel on roads in the Ozark Mountains. Sable has allowed the bus load of people to stay in her grandfather's large house
. Strange accidents falling ice covered branches, pushed off a cliff, who is the villain trying to kill Sable or Murph, who can she trust?
With head injuries and gunshot wounds it is a good thing a paramedic and doctor are in the house They tour a cave her grandfather had, more accidents occur there.
