SAW 4 Story
Saw IV is the fourth installment in the Saw series. This installment continues the story of the Jigsaw Killer, and his obsession with teaching people the value of their own lives.
Although Jigsaw died in the last installment (Saw III), this film focuses on his ability to manipulate people into continuing his work.
During the autopsy of John Kramer, the coroner finds a tape inside his stomach and calls Detective Hoffman. Meanwhile, the police find Detective Kerry dead and the SWAT Commander Rigg is absolutely traumatized with the tortured corpse of Kerry and obsessed to save Detective Eric Matthews that has been missing for six months; however Hoffman asks him to take vacations and leave the case.
The FBI agents Strahm and Perez join Hoffman's team to investigate the legacy of Jigsaw. However, Rigg is abducted and forced to participate in another sick game to save Eric's life.