Chyna Shepherd is a twenty-six-year-old psychology student who survived an extremely troubled past. While visiting Laura Templeton's house, a farm in the Napa Valley. A serial killer named Edgler Foreman Vess breaks into the house, killing Laura and her parents. Chyna survives, but she learns of Vess's captive: a girl, just as innocent as Chyna, trapped in Vess's home far from the Napa Valley.
Unfortunately the movie Intensity is not yet available on HBO Max.
| Production | Dean R. Koontz | Executive Producer |
| Directing | Yves Simoneau | Director |
| Writing | Stephen Tolkin | Screenplay |
| Crew | J.J. Makaro | Stunt Coordinator |
| Crew | Corry Glass | Stunts |
| Writing | Dean R. Koontz | Novel |
| Production | Preston Fischer | Producer |
| Sound | George S. Clinton | Music |
| Camera | David Franco | Director of Photography |
| Editing | Michael D. Ornstein | Editor |
| Art | Ian D. Thomas | Production Design |
| Art | Michael N. Wong | Art Direction |
| Art | Mary-Lou Storey | Set Decoration |
| Costume & Make-Up | Trish Keating | Costume Design |
| Directing | J.J. Makaro | Second Unit Director |
| Crew | William H. Orr | Special Effects Coordinator |
| Crew | Marny Eng | Stunt Double |
| Crew | Scott Nicholson | Stunt Double |
| Crew | Dean Choe | Stunts |
