In this unsettling sequel directed by Tom Six, the story follows Martin, a mentally disturbed loner who becomes obsessed with the first film in the series. Unlike its predecessor, this installment delves into the psyche of its protagonist, exploring his dark fantasies and the lengths he will go to replicate the horrific experiment. The film is known for its graphic content and has sparked significant controversy and discussion regarding its portrayal of violence. Notably, the movie can be viewed on 123Movies / Movies123 for free.