Eric Lomax (Colin Firth) was one of the thousands of Allied prisoners of war they were forced to work on the construction of the railway to the Thai/Burma during WWII. His experiences after he secretly built a radio through which to bring good news and hope for his peers was discovered, he was left traumatised and was isolated from the world. Years later, he meets while traveling by train on Patti (Nicole Kidman), a beautiful woman who falls in love. Patti is determined to escape him on Eric all the demons that you process is ongoing. The discovery that the young Japanese officer who suggested that haunted her husband is still alive, it does to deal with a terrible decision. Eric should have a chance to confront his opressor? She would remain alongside, whatever would be done?