Memento

A man, suffering from short-term memory loss, uses notes and tattoos to hunt for the man he thinks killed his wife.

Storyline
Memento chronicles two separate stories of Leonard, an ex-insurance investigator who can no longer build new memories, as he attempts to find the murderer of his wife, which is the last thing he remembers. One story line moves forward in time while the other tells the story backwards revealing more each time.