Murder (2004)

Living in Bangkok with her husband Sudhir and the child from his first marriage to her sister, Simran feels isolated in a foreign land and ignored by her husband. A chance meeting with an old flame leads to a renewed and passionate affair until she starts to realise how badly she could be damaging her marriage. Sudhir has indeed become suspicious and hired a private detective who gives him compelling evidence of his wife's deceit. Sudhir sets out to confront his rival.