The "1080" in your file name indicates it is likely a high-definition 1080p resolution video. Franchise Context
It is important to distinguish this from the mainstream psychological horror franchise. The original horror series, loosely based on the crimes of mass murderer John List, officially consists of: (1987) Stepfather II (1989) Stepfather III (1992) The Stepfather (2009 remake) Stepfather 6, The_1080.mp4
The file you mentioned is part of a separate, that began in 2014 and has released at least seven installments as of late 2022. The "1080" in your file name indicates it
Adult/Erotic Thriller (Themed around "stepdad/stepson" taboo fantasies). and Ryan Carter.
Part of the "Stepfather" collection by Icon Male .
The film features Adam Ramzi, Killian Knox, Lance Charger, Nick Fitt, and Ryan Carter.