Josh Harris is all dad all the time. A busy college professor and devoted single father, Josh tries to be happy with only his son for company. But then Bradley “Trex” Trexler moves in across the street with his stepbrother, Bogo, and takes advantage of their empty home, making it into a haunted house for Halloween.
Josh's son, Ernie, can't wait to go, so Josh dresses up like a movie cowboy and saunters over. It’ll be the best Halloween of Ernie’s life, but there’s another sharpshooter roaming the dark corridors, and this one might have a special treat for Josh….