哈利－波特在霍格沃茨魔法学校已经度过了不平凡的两年，而且早已听说魔法世界中有一座守备森严的阿兹卡班监狱，里面关押着一个臭名昭著的囚徒，名字叫小天狼星布莱克。传言布莱克是“黑魔法”高手伏地魔——杀害哈利父母的凶手——的忠实信徒，曾经用一句魔咒接连结束了十三条性命。不幸的是，布莱克逃出了阿兹卡班，一心追寻哈利——

Harry: What's going on?
Ronn: Probably someone forgot the password again.
Headboy: Let me through, please. Excuse me, I'm the headboy. Get back, all of you. No one is to enter this dorm until it has been fully searched.
Girl: The fat lady. She is gone.
Ronn: So everything is fine. She is a terrible singer.
Hermonie: It's not funny, Ronn.
Headboy: Keep clam, everyone. Be quiet, the headmaster is here.
Dombledore: I'm here, move.
Headboy: You heard? Move!
Dombledore: Mr. Filtch, round up the ghosts. Turn to search every pedelion in the castle and find the fat lady.
Filtch: There's no need for the ghost, professor. That lady is there.
Headboy: Hey, where are you going? Slow down! You listen, I'm the headboy.
Dombledore: Dear lady! Who did this to you?
Fat lady: Here's a devil I saw. And I certainly know his name. It's him, master. The one you all talked about. He's here. Somewhere in the castle. Serious Black.
Dombledore: Secure the castle, Mr. Filtch. Rest of you, to the great hall.

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