Memento is well worth a watch. It's a riveting, thrilling crime drama that will have you guessing until the very end with its incredibly intricate plot. Directed by Christopher Nolan and starring Guy Pearce as Leonard, an amnesiac struggling to find out who killed his wife, this film will keep you on the edge of your seat as he pieces together clues from his past. What makes it so unique is that the film is told in both forwards and reverse chronology, making for a powerful viewing experience every time.