Can be considered a loose Hong Kong remake of The Bodyguard (1992) starring Kevin Costner, as the two films share many similarities concerning some scenes and the development of the relationship between the two main characters, though key points of the plot in each film are different.
According to Bey Logan on his commentary of the dragon dynasty release of "The Enforcer", he mentioned that this film would be on DVD on the Dragon Dynasty label, it finally saw a release as part of a five film DVD collection in 2015.