Juliet still writes letters to her mother after her death and when Declan finds one beside her mother's grave, he writes back, sharing his pain with her, but soon real life interferes, and Juliet and Declan discover truths that may tear them apart.

After her sister and songwriting partner, Lea, dies in an automobile accident, seventeen-year-old Rumi is sent to Hawaii with an aunt she barely knows while she and her mother grieve separately.