A young Melbourne mother is brutally gunned down in her driveway; a mother-of-three answers a mysterious knock at her door and is struck in the head by a crossbow bolt; a Tasmanian senior citizen is found bludgeoned to death in his home.
Police discover a perfectly healthy infant abandoned on a Sydney street at night; a human torso turns up in a paddock south of Kiama, New South Wales; police attempt to identify a mysterious corpse found in broad daylight on a crowded street.