The story revolves around an elderly man named Sam Peek, who is grappling with the recent loss of his beloved wife, Cora. As he navigates the challenges of aging and loneliness, Sam encounters a mysterious white dog that appears to offer him companionship and solace. Despite his children's concerns about his well-being, Sam forms a deep bond with the enigmatic dog, which seems to embody the spirit of his late wife. Through this relationship, Sam finds strength and a renewed sense of purpose, ultimately leading to a poignant exploration of love, grief, and the enduring connections that transcend life and death.