Impostor

"Impostor" is a science fiction film released in 2001, based on a short story by Philip K. Dick. The movie follows the story of a man who is accused of being an alien replicant designed to assassinate political leaders. The main character must prove his identity and innocence while being pursued by government agents and uncovering a larger conspiracy. The film explores themes of identity, paranoia, and government control in a futuristic setting.