The search begins. For the mistress and the son of a mob boss. For Barry "Bottomless Pit" Rosen missing soon after he won a competitive chili eating contest. For an air traffic controller who reported possible terrorist activity. For a basketball star a stripper a victim of Hurricane Katrina. Some of them are reunited with loved ones. Some remain forever missing. All are part of the fascinating Season 5 investigations involving the Missing Persons Unit headed by FBI Agent. Jack Malone. The challenges the breakthroughs and the compassion of a crime solving team dedicated to finding the lost are here in 24 episodes of clock racing mind engaging suspense and procedural detail.