A Christmas party was hosted by Professor Horace Slughorn on the evening of 20 December 1996[2] in his office in Hogwarts School of Witchcraft and Wizardry for his favourite students, the Slug Club and their dates, as well as former club members and various other associates.[1] Harry Potter, Slughorn's most welcomed guest, overheard a strange conversation between Professor Severus Snape and student Draco Malfoy during the party that made him suspect that they were conspiring on behalf of Lord Vo