Saw 4

The Puzzle Killer and his protégée, Amanda, have disappeared. Two seasoned FBI profilers, Agents Strahm and Perez, will help Detective Hoffman gather the pieces of the latest macabre enigma left by the Killer in an attempt to finally understand. While a SWAT officer is kidnapped and forced in turn to triumph over a series of diabolical traps, Strahm, Perez and Hoffman will, from corpses to clues, discover the story and the true intentions of the Puzzle Killer...