François Marsault, a war veteran, makes the most of his retirement alongside his wife Annie. Authoritarian and ruthless, François rules his family with an iron fist — but when he discovers that his esteemed wife cheated on him 40 years ago, he files for divorce and confronts her former lover, who lives in the French Riviera.

The bored and self-centered Mr B secretly dreams of being acknowledged by his everyday travel companions as a distinguished and entertaining man.

1894 - A man walks into the mountains, bag on his back. When he reaches the pass, two customs officers are waiting for him. Barely visible in the snow, the border separates them.