The movie is called "Belly Button" or "Navel," a scandalous history of a family that describes how a model family envied by everyone is actually an empty shell, with its members putting their partners aside to engage in dangerous games of pleasure-seeking.

Synopsis:

A history of family scandals, it depicts how a model family envied by everyone is actually empty, with members putting their partners aside and each engaging in dangerous games of pleasure-seeking. Professor Seo (Cheon Ho Jin) has a beautiful family that many people envy and are even jealous of. On his wedding anniversary, he celebrates with a dinner at a fancy restaurant and exchanges diamond rings with his wife (Lee Mi-sook), a romantic scene that was filmed by a TV station and announced as a program on "Model Families". But in reality, in that touching moment, both he and his wife were missing someone other than each other. Professor Seo is a renowned scholar who teaches at one of the best universities in Korea and is admired by his students. His wife, who works as a model for a top fashion photography agency, is married but is as attractive as a young man. She and the photo shoot ...