The Last Protection: Harriett Potter's Legacy

Lord Voldemort kills James and Lily Potter, but their love protects their daughter Harriett, rebounding the curse onto him. Sirius Black arrives, vows to raise Harriett, and prevents her from going to Hagrid. He reveals Peter Pettigrew betrayed the Potters. Dumbledore reluctantly agrees, and Sirius raises Harriett in secret, sharing stories of her parents.