Hermione pulled the cloak back over her body. When she witnessed Umbridge sit down on the bed with the remaining polyjuice potion in her hand, she urged Aberforth out of the cell. The clang of the cell closing shut rang in her ears. They were making too much noise. The others prisoners would be coming back into consciousness soon. She grabbed Aberforth's wrist through the invisibility cloak to lead him towards the secret panel. Only when they were inside did either of them speak.