John Anderton is a top 'Precrime' cop in the late-21st century, when technology can predict crimes before they're committed. But Anderton becomes the quarry when another investigator targets him for a murder charge.
After clearing brush for the government, a group of men return to town claiming their friend was abducted their friend. Despite no apparent motive or evidence of foul play, no-one believes their story and his disappearance is treated as murder.
An aging cop is assigned the ordinary task of escorting a fast-talking witness from police custody to a courthouse, but they find themselves running the gauntlet as other forces try to prevent them from getting there.