Detective Jones arrives at the house of a young couple, Ashley and Brad, blissfully engaged and preparing for their upcoming marriage. They had a mysterious break in at their home. While Det. Jones discovers nothing at the scene, we later find out it is their wedding planner, Mandy, who starts stalking them. She goes as far as sabotaging Brad at work. Ms. Johnson, his boss, has no choice and places him on permanent leave as this Wrong Wedding Planner will stop at nothing to exact revenge.
A group of travelers are forced to seek shelter inside an abandoned jail where a notorious nun named Sister Monday had once been assigned and was suspected of murdering prisoners.
10 years after the events of the original film, a rash of new meathook-murders makes Dan suspect this may be the same Killer responsible for the death of his twin Sister and her friends. Taking matters into his own hands he tracks down the maniac in an underground cavern and not only comes face-to-face with the meathook wielding mongoloid, but his entire sadistic family as well!