This is a film about a mother (Alice Maguire) and his three daughters, who are trying to get to the airport to pick him Maguire, the daughter's father. But on the way there is a tornado warning and the trip started to get too dangerous for them to stop on the highway and ran to a house to seek shelter. No one answered the door so they all get into the basement to wait for the storm. But then they discovered that there was someone in the house above them, and then they were trapped in the tunnel. But there's more to worry about than the impending storm, and their lives become endangered, by something that's not normal.