Mary (Austin Highsmith) and Charlie's (Alan Powell) marriage had become a little rocky, he forgot their anniversary whilst she almost slept with their friend Trevor (Luke Edwards) whose partner, Susan (Valerie Azlynn), is always working as she is a lawyer. But Mary is becoming suspicious of Charlie when he says he is working late on a property he is renovating and decides to show up there unannounced only to find him dead. With Charlie's sister, Crystal (Lorna Street Dopson), suspecting that Mary might have done it and with police investigating she turns to Susan for legal help.
Unfortunately the movie A Deadly Affair is not yet available on HBO Max.
| Directing | David Bush | Director |
| Directing | Susan Gaedke McGill | Script Supervisor |
| Writing | Marcy Holland | Writer |
| Crew | John Bernecker | Stunt Coordinator |
| Camera | Garry Waller | Director of Photography |
| Costume & Make-Up | Jane Hassinger | Hair Department Head |
| Editing | Josh Carley | Editor |
| Camera | Craig Aines | Key Grip |
| Camera | Matt S. Bell | Camera Operator |
| Sound | Andrew Morgan Smith | Original Music Composer |
| Production | Robby Baskett | Location Manager |
| Writing | David Bush | Writer |
| Costume & Make-Up | Dustin King | Key Makeup Artist |
| Sound | Ashu Boni | ADR & Dubbing |
| Visual Effects | Kolby Kember | Visual Effects Supervisor |
| Costume & Make-Up | Jennifer Schreck | Costume Design |
| Editing | Eva K. Morgan | Assistant Editor |
| Production | Daniel Lewis | Producer |
| Production | Kenneth M. Badish | Producer |
| Production | Lynnette M. Myers | Associate Producer |
