Lego Harry Potter Walkthrough

This is a continuation of the Lego Harry Potter game. Harry, Hermione, and Ron find themselves in peril as they figure out who the Heir of Slytherin is and beat the beast within the Chamber of Secrets. after they save the school... again they enter into their third year at Hogwarts, where they have a new Defense Against the Dark Arts teacher. Professor Lockheart gets mixed reviews from the students and teachers. The school has dementors swarming the grounds, looking for an escapee from the wizard prison Azkaban. Who is Sirius Black to Harry Potter? Why do they think he is headed for Hogwarts? Watch and find out.
I own no rights to the game, soundtrack, or characters. I'm just a HUGE fan.