Which was why Hermione agreed to the insane plan of trying to contact Sirius from Umbridge’s office, throwing all caution in the wind and subsequently being caught. She ignored the fact that Malfoy was standing right next to her while he and his cronies kept them in place so Umbridge could interrogate Harry. Her mind was feverishly trying to come up with a solution to get them out of this predicament because Harry couldn’t lose Sirius.