"She refuses to tell me how it happened, Severus."  Madam Pomfrey was flustered as they approached Granger’s hospital bed.  "She insists it was an accident, but I’m fairly certain she’s drunk Polyjuice Potion.  I can’t figure any other explanation for it," the Hogwarts matron insisted.  "She would be mortified if she knew that I called you, but I need to be sure, otherwise I don’t know how to treat her."