He lives alone, eats very little and in addition never sleeps.
Something is deeply wrong with his life and he’s a complete wreck.
After a terrible accident in the factory where he works he isolates himself completely from his friends and colleagues.
Now only talks to a bar waitress and a mysterious creepy guy apparently know a lot about his situation.
Nobody can live in those conditions too long and the man will have to deal with the terrible truth.
Superb role divinely played by Christian Bale in one of his best performances of all time.