Becoming a bigger hit than the first movie, the second Harry Potter film also offers faster actions and introduces great new characters like Dobby, Gilderoy Lockhart (Kenneth Branagh), and the villainous Lucius Malfoy (Jason Isaacs). Harry Potter (Daniel Radcliffe) is due back at Hogwarts School of Wizardry for his second year, but a house elf named Dobby warns not to go back there, or he'll be in grave danger...