电影《苦月亮》讲述了两对夫妻之间错综复杂的感情故事，探讨了爱情的极致和痛苦。奈杰尔和菲奥娜是一对七年之痒的夫妻，他们决定一起去印度，寻找对婚姻的新鲜感。而另一对夫妻奥斯卡和咪咪则是一个美国作家和一名法国舞蹈演员，他们的关系异常诡异。这两对夫妻在黑暗的海上相遇，奈杰尔被咪咪的美貌吸引，逐渐接近了他们。而奥斯卡则借机要奈杰尔倾听他们的故事。

影片通过回忆和现实的交错，展现了奥斯卡和咪咪之间的爱情历程。咪咪的美貌让奥斯卡着迷，他为了能够再次见到她，在巴黎城里四处寻找。他们相遇后，二人陷入了疯狂的爱情之中。然而，这段爱情并不美好，爱欲缠绵几乎将两人的情感烧尽。咪咪对奥斯卡执着而灼热，而奥斯卡则变得自私残忍，疲惫于如醉如痴的性爱享受，渴望自由。尽管咪咪有了他的孩子，甚至为了他堕胎感染，奥斯卡仍然觉得无法忍受这段关系。他骗上了咪咪的飞机，庆幸地以为自己摆脱了她，重新开始了自由糜烂的生活。然而，一场车祸却使他终身残废，咪咪再次出现在他的生活中。她照料他，但又像以前一样虐待他，两人的感情充满了相互伤害和虐待。

The movie "Bitter Moon" tells the intricate emotional story between two couples, exploring the extreme and pain of love. Nigel and Fiona are a couple with the seven-year itch. They decide to go to India together to find a freshness in their marriage. Another couple, Oscar and Mimi, are an American writer and a French dancer, and their relationship is very strange. The two couples met on the dark sea, Nigel was attracted by Mimi's beauty, and gradually approached them. And Oscar takes the opportunity to ask Nigel to hear their story.

The film shows the love process between Oscar and Mimi through the interlacing of memory and reality. Oskar is fascinated by Mimi's beauty, and he searches all over Paris in order to see her again. After they met, the two fell into a mad love. However, this love is not beautiful, and the lingering love almost burns out the relationship between the two. Mimi is obsessed and passionate about Oscar, while Oscar becomes selfish and cruel, tired of intoxicating sex enjoyment, and yearns for freedom. Even though Mimi had his baby and even had an abortion for him, Oscar still found the relationship intolerable. He cheated on Mimi's plane, happily thinking that he got rid of her, and started a free and corrupt life again. However, a car accident made him permanently disabled, and Mimi appeared in his life again. She nurses him, but abuses him as before, and the relationship between the two is fraught with mutual hurt and abuse.