After more of the Stab 4 cast is brutally murdered, reporter Kylie Scott, now the author of a book entitled "Manchester Massacre,"convinces the Rachel Arnold and the StabMovies team to begin production on a new Stab 5, based on the "real life" murders of the cast of Stab 4: Fresh Blood. To cast this new "inspired-by-another-true-story" film, production also begins on a Stab Reality/Competition television show, where contestants compete for four roles in the new Stab 5. The only problem is: once you become a cast member of a Stab movie... someone... somewhere... wants you dead.