Alone and without the guidance and protection of their professors, Harry (Daniel Radcliffe), Ron (Rupert Grint) and Hermione (Emma Watson) set out on a mission to destroy the Horcruxes, the source of Voldemort's immortality. Though they must rely on one another more than ever before, dark forces threaten to tear them apart. Voldemort's Death Eaters have seized control of the Ministry of Magic and Hogwarts, and are searching for Harry even as he and his friends prepare for the ultimate showdown.