An ex-pro athlete runner and his wife find a strange boy in the middle of nowhere along with a murdered couple. He runs to a nearby town for help while she keeps the boy company. Meanwhile, escaped convicts are heading to their location.
Unfortunately the movie Plunge Into Darkness is not yet available on HBO Max.
| Writing | Bruce A. Wishart | Writer |
| Directing | Peter Maxwell | Director |
| Production | Terrie Vincent | Production Manager |
| Directing | John Robertson | Assistant Director |
| Sound | Tim Lloyd | Sound Recordist |
| Editing | Ron Williams | Editor |
| Sound | Jimmy Sloggett | Original Music Composer |
| Directing | Jenny Quigley | Continuity |
| Sound | Peter Clark | Original Music Composer |
| Production | Steve Kibler | Executive Producer |
| Camera | Jan Kenny | Assistant Camera |
| Production | Carol Williams | Production Coordinator |
| Art | David Copping | Art Direction |
| Sound | Henry Dangar | Sound Editor |
| Sound | Phil Judd | Sound Mixer |
| Editing | Trevor Hawkins | Assistant Editor |
| Costume & Make-Up | Josy Knowland | Makeup Artist |
| Crew | Alan Lake | Post Production Supervisor |
| Production | Keith Heygate | Unit Manager |
| Costume & Make-Up | Carol Berry | Costumer |
