Four Walls

Called in to investigate a double homicide at a medium security holding facility on Staten Island, detectives Mac Taylor, Danny Messer, Sheldon Hawkes, and Don Flack find one case that appears open and shut and one baffling case involving a victim apparently killed while working out in the weight room. Original. (A CBS television series, starring Gary Sinise, Melina Kanakaredes, Carmine Giovinazzo, Eddie Cahill, Hill Harper, & Anna Belknap) (Suspense)