In Hong Kong in the 1960s, there were two white-collar couples who married together, but there was a huge secret behind them That is, the wife surnamed Zhou and the gentleman surnamed Chen hooked up and became an underground lover, while the new student surnamed Zhou and the wife surnamed Chen were kept in the dark. Later, the two of them found out that their wife and husband had betrayed each other. Each other, so the two of them began to meet and discuss what might happen in the future. They were afraid of losing face and being ridiculed by everyone, so they quietly hid this matter, so they changed each other and betrayed each other. The living time of my own body is ordinary, and it passed quietly like this, but where in the world is there an impenetrable wall? Then their neighbors found out that these things about them were in other people's gossip, and let the two of them Something happened, the two of them discovered the secret that they didn't want to discover in their hearts, and the two of them fell in love with each other..