Don't Forget: Larry Stylinson AU

When Louis leaves for the army, he leaves his fiancée and three-year-old daughter. But, he doesn't come back for a whole three years and when he does, he has no memory of his family. Will Harry be able to make Louis fall in love all over again, or will their love crumble and be destined to just be friends? Could a possible curly-haired girl bring back the love they once shared?