Successful writer "Ingrid" (Julianne Moore) is signing some books when one of her friends informs her that old pal "Martha" (Tilda Swinton) is suffering from cancer. Upon visiting her in hospital, she discovers that things aren't looking so good and over the following days the two start to become closer, sharing confidences and becoming quite inter-reliant. When an experimental treatment fails to deliver, the former war reporter "Martha" makes quite a bold proposal to her friend that will require them to retreat to a quiet residence in Woodstock where she will take matters into her own hands. ...