The Smith and Smith Paranormal Investigation Agency has been investigating all sorts of paranormal entities and manifestations over the years but when Erica Smith buys her daughter; Carol Anne a bunny costume at a garage-sale, they find out that they got more than they bargained for as they have to investigate their first case of a haunted object; their daughter's bunny costume, where they trace it back to the owner of it having been killed while wearing it,out trick-or-treating several years earlier.