The film outlines the emotional entanglement between the hero X (Giorgio Albertazzi) and the heroine A (Delphine Seyrig) in a way of interspersing reality and memory. X remembers the pavilions and pavilions in the baroque palace, and in his descriptive narration, people can feel the great waves in his heart. On the stage of the theatre, the performer is performing a sad parting. X and Lady A looked at each other for a long time in the audience. During the break, dance music was played in the theater, and X invited A to dance, and the two expressed their feelings for each other at close range. A thinks this X is a stranger who pays attention to herself, but X tells a little-known story that happened with her last year. During this period, it is also interspersed with the scene of the game showdown between X and husband M (played by Sacha Pito ë ff).