Harry Potter is thirteen years old and will be his third year at Hogwarts. On his birthday, but during the day Harry received one of the worst birthday presents from his uncle-Aunt Margot is coming to live here for a week! Every time this woman appeared in front of Harry, Harry brought unpleasant memories. This time was no exception. She began to insult Harry's deceased parents endlessly. Unbearable Harry finally made her a human-shaped balloon flying into the sky.
An angry Harry packed up his luggage and left his uncle's house. He saw a huge black dog in the dark, but it disappeared in an instant. Just as Harry was puzzled, the Jazz bus of the Ministry of Magic drove in the distance. In this way, Harry came to London. And Harry had always wondered why the Ministry hadn't punished him for casting magic on Muggles, but gradually he understood the whole story. The evil Sirius Black escaped from Azkaban’s prison. It is said that Black was Voldemort’s most powerful assistant. He killed 13 people with a spell. The reason he escaped from Azkaban was To find Harry Potter, Azkaban prison has sent a dementor to hunt down Sirius.
But things are not as simple as rumored, Sirius was originally a good friend of Harry's parents and Harry's godfather. After learning that his parents were killed by Voldemort because of Sirius's betrayal, Harry decided to find Sirius and fight with him. A fierce battle is imminent, and Sirius is not a rumored murderer.
