Plunge Into Darkness is a 1978 Australian television film directed by Peter Maxwell and starring Olivia Hamnett, Bruce Barry, and John Jarratt. It concerns a couple on a holiday in the country who have a terrorising experience.

Plot

A married couple, Gary and Pat Keating, come across a remote farmhouse containing a murdered couple and a boy. Pat stays with the boy why Gary runs for help. Gary crosses with two escaped prisoners.