A woman joins a production of The Turn of the Screw the night before opening night, and her first dress rehearsal is more real than she is comfortable with.

This film adaptation of Henry James' Victorian ghost story changes the location to present day Wellington. Set in a theatre over the course of an evening, Julia finds herself as a last-minute replacement for another actress at the dress rehearsal of a stage play version of The Turn of the Screw, set in 1890. Arriving at the theatre late that night, Julia is immediately thrown on stage and into her role, playing to an empty auditorium. As she interacts with the other characters and the story becomes increasingly terrifying, Julia begins to believe that not only is the fictitious house haunted - but also the theatre itself.