After serving in the Marines for ten years, Tom returns home to retrieve his half of his inheritance. However, upon his return he finds out that his estranged abusive father, Richard, has Alzheimer's and does not remember him. Instead he thinks that Tom is
his own brother, Jack, who passed away in Vietnam War.
Tom's sister, Emily, asks him to take care of Richard for the day while she goes to work and promises to bring home his money. Despite his hatred for his father, Tom takes over his uncle's identity for the day, and in turn begins to grow an unlikely friendship with Richard. Haunted by his dark past with his father, Tom must now decide if he can forgive and forget.