在上一世纪60年代的香港里有两对白领夫妇们祝成一起但是这两家的背后却藏着一个巨大的秘密那就是姓周的太太和姓陈的先生居然勾搭在了一起成了地下情人，而姓周的新生和姓陈的太太则被蒙在鼓里，后来他们两个发现了自己的妻子丈夫竟然出卖对方，于是他们两个开始见面，并且商量未来可能发生的事情，他们害怕这种事情丢脸，怕被大家嘲笑，于是他们悄悄地把这件事情藏了起来，就这样他们互相变过着，出卖自己的肉体的生活时间平平淡淡的，就这样安安静静的过去了，但是世界上哪里会有不透风的墙呢于是他们的邻居发现了他们的这些事情在别人的闲言碎语里面，让他们两个发生了一些事情，他们两个发现自己心底最不愿发现的秘密，他们两个互相的爱上了对方…

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..