Memento

Memento is a 2000 American psychological thriller and neo-noir film written and directed by Christopher Nolan, adapted from his younger brother Jonathan's short story, Memento Mori. It stars Guy Pearce as Leonard Shelby, a man with anterograde amnesia, which impairs his ability to store new explicit memories. During the opening credits, which portray the end of the story, it is shown that Leonard kills Teddy (Joe Pantoliano). The film suggests that this killing is vengeance for the rape and murder of his wife (Jorja Fox) based on information provided by Natalie (Carrie-Anne Moss).

Memento premiered on September 5, 2000, at the Venice International Film Festival to critical acclaim and received a similar response when it was released in European theaters starting in October 2000.