In a complex family drama, characters rarely say what they mean. If a son says, "I hate you, Dad," that’s boring. If he says, "Don't worry, I'll try to be more like [the favored sibling]," that is drama.

While specific mainstream narrative summaries are limited due to its genre, the title Les Vacances Incestueuses (Incestuous Vacations) indicates the setting and primary theme: A vacation/holiday environment.