Having left her native Scotland to go to New York to pursue her career, Sarah returns home to tell her family and friends that she has cancer and has little time left to live. Specifically she has returned to spend time with her ex-boyfriend Sam, who is now married. His wife Charlotte is not supportive but Sam does it anyway. While the two of them spend time together they start to become a bit closer and recall memories from the past; meanwhile Sarah also tries to mend things with her present but emotionally distant father Frank.