Lily and James didn't die; Vernon and Petunia did. Despite their magical differences, Lily and Petunia stayed on good terms. When Voldemort was hunting Harry, Dumbledore advised Lily to put Petunia's family in hiding. What happens when Voldemort goes after Dudley to get Petunia to tell her where the Potters are? In which petunia and Vernon are killed and Dudley is raised by lily and James with Harry