Leonard Shelby suffers from acute short-term memory loss. He cannot to remember anything for more than a few minutes at a time. This makes things difficult when his one mission in life is to track down his wife’s killers. Aided by notes and tattoos, Shelby embarks on a journey down memory lane.

A murder mystery told through non-linear timelines, Christopher Nolan’s breakthrough film is now a fascinating example of a director discovering and refining career-long obsessions and techniques. But most importantly, Memento is endlessly inventive, perfectly calibrated, and emotionally rich.