A New York executive, Martha, witnesses a murder and discovers that the killer is her new brother-in-law. When her sister is nearly killed and her sister's children kidnapped to silence her, she must unravel the mystery behind the murder to save the kids and see justice served.
Unfortunately the movie Deadly Family Secrets is not yet available on HBO Max.
| Art | John Frick | Production Design |
| Writing | Franklin Coen | Novel |
| Directing | Patricia A. Fullerton | Script Supervisor |
| Sound | Nan Schwartz | Original Music Composer |
| Editing | Christopher Nelson | Editor |
| Directing | Richard T. Heffron | Director |
| Production | Melinda Gartzman | Casting |
| Writing | Brian Taggert | Teleplay |
| Art | Adele Plauche | Art Direction |
| Camera | Stevan Larner | Director of Photography |
| Costume & Make-Up | Shelley Komarov | Costume Design |
| Production | Dennis Stuart Murphy | Producer |
| Crew | Mark Kay | Stunts |
| Production | Jack H. Degelia | Producer |
| Crew | Jody Haselbarth | Stunt Double |
| Crew | Jackson Burns | Utility Stunts |
| Production | Michael Filerman | Executive Producer |
| Crew | David Sanders | Stunt Coordinator |
| Lighting | Robert Driskell | Gaffer |
| Crew | Laura King | Stunt Double |