A film-crew filming a zombie film turns to real horror when the stand-in for leading actress Lexi Cunningham (Michelle Ryan) is poisoned. Goodman realizes that the victim was not the one the murderer intended, as the poison meant for Lexi, hidden inside chocolates, was consumed by the stand-in instead. Goodman realizes that the tainted chocolates could only have been placed there before shooting started, and there were only three people on the set when the box was delivered: the director Carl Collins (Rhys Thomas), the screenwriter Arnold Finch (Peter Davison), and the showrunner Susie Jenkins (Hannah Tointon). Goodman investigates; however when there is a second murder the pieces of the puzzle start to fit together, and the team realise they have been manipulated from the start.