Clyde Shelton (Gerard Butler) is an upstanding family man whose wife and daughter are brutally murdered during a home invasion. When the killers are caught, Nick Rice (Jamie Foxx), a hotshot young Philadelphia prosecutor, is assigned to the case. Over his objections, Nick is forced by his boss to offer one of the suspects a light sentence in exchange for testifying against his accomplice. Fast forward ten years. The man who got away with murder is...

1828 in the German port city of Bremen, a female law clerk tries to prove her worth during the investigation of multiple poisonings. Based on the true story of female serial killer Gesche Gottfried.

Following Jigsaw's grisly demise, Mark Hoffman becomes the final apprentice to the serial killer and is deigned a hero. Meanwhile, Agent Strahm is tested and puts the pieces together. While Strahm realizes that Hoffman is helping Jigsaw, five seemingly unconnected people are kidnapped and forced to complete a series of tasks in order to survive. Strahm follows all the leads that Hoffman gives him, including information on the death of his sister and...