What happens when you kill somebody, and confession with your priest doesn't work?
Helping others, does not seem to work either. What about doing more bad things until you start to feel guilt?
In this move this is tried, but one is left with the ugly feeling that this man does not have a cure, and it is better to leave him. Two suicides, father in law, and wife, and a son going away to live with a cousin.
Without external visual effects, or a lot of action, like in some Hollywood movies, this Chilean movie's director, Juan Francisco Olea, and his team, choose to visit the most complex object in the Universe we know of, our own consciousness.