This is the story of the relationship between a narcissist and a codependent. the analysis by the daughter at the end is spot-on. She summed up perfectly the various relationships and why they occurred. I would go so far as to say that he is a sociopath/ Psychopath.
The interdependency is chilling. Excellently filled with all the various nuances and very clever in the way that indicates the various ages and relationships. Absolutely recommended - the psychology is what is is so well observed by the filmmaker and accurately portrayed by the actors.