Continuing on with its story despite the death of namesake killer Jigsaw in the third installment, SAW V concerns itself with detailing who will carry on with his bloody work. Director David Hackl, the production designer on the previous three films, retains their familiar charnel house look. Though there are fewer grisly death sequences, faithful viewers will enjoy the creative plot twists. The film opens with a man strapped to a table above a pendulum. As the sharp blade begins swinging over his stomach, he has only a minute to stop it by inserting his hands into a device that will crush them. When the machine malfunctions, it's clear that it wasn't the work of the meticulous Jigsaw. Meanwhile, FBI Agent Strahm (Scott Patterson) continues the investigation he began in the previous film, only to wake up to find himself wearing a glass helmet filled with water. With a minimum of self-mutilation, he escapes and continues his investigation with the hunch that Detective Hoffman (Costas Mandylor) is somehow ...