A romantic suspense novel by Nicholas Sparks. The story follows Julie Barenson, a young widow who is still grieving the loss of her husband, Jim. Before his death, Jim arranged for Julie to receive a Great Dane puppy named Singer, who becomes her loyal companion. As Julie begins to open her heart to love again, she finds herself caught between two very different men. What starts as a romance gradually evolves into a tense psychological thriller involving obsession, danger, and survival.