After a hitman shoots billionaire Gregory Arkadin, four people - a homeless woman with perfect memory, a simple office worker,a priest, and the hitman - find themselves in the sights of the vigilante known as The Nightwatcher. Can the hitman get out of Lake City before he's brought to justice? Will the priest help the vigilante even though it may betray everything he believes in? And how does the menial office worker fit into The Nightwatcher's plans?