2 parts Ongoing MatureHarry Potter was not the last Horcrux, and he is murdered by Voldemort, shortly after Ron is himself killed by Nagini. Seeing her world in ruins, Hermione remembers what Harry told her: Snape was Dumbledore's man, but Dumbledore is evil, and cannot be trusted. Thinking that the answers are in the pensieve, Hermione goes looking...
Until she lands in 1981, just after Voldemort's attack on Godric's Hollow. With Lily dead, James clinging to life, and Harry already afflicted with his lightening bolt scar, she shows James, plus a newly-arrived Sirius, her memories, leading to an entirely different outcome to the Wizarding War, now that they know about Horcruxes, as well as the notion that Albus Dumbledore is not the benevolent wizard they all believed.