Knock Knock is a horror film that combines fear with revenge, hate with justice and responsibility with sacrifice. The bible says an "Eye for an Eye." Rico was just a big fun loving son of a hard working neighborhood business man. The problem is his dad is an undertaker. Some popular high school Students thought he was weird because of it. Rico kept to himself...
Mayor Winters and Jim Lesinger go on a fishing expedition, discovering a mysterious Crate. With the help of some hunters, the Crate is retrieved and opened. A Devil Creature is released, unleashing hell upon the town of Hartfieldlane. Six kids coming back to their home town from college, take matters into their own hands to stop the evil abomination, getting picked off one by one.