After a/an/the daring plan is hatched by Sirius/Remus/James, our brave/daring/loyal heroes set out/embark on/launch into a/an/their perilous journey to free/rescue/liberate Sirius Black from/out of/within the dreaded prison/detainment facility/dungeon known as Azkaban. The guards, fearsome/menacing/terrifying, are all/every/numerous equipped with p