Stefan's playmate from the turn of the 19th century has escaped captivity, and now she's interested in only one thing: revenge! But Maude's arrival in Mystic Falls in the fall of 2013 complicates the relationship between Elena and Katherine more than it already was. Then, an innocent game of hide and seek leads to a terrible discovery when Damon and Elena crash into a bricked-up room in the Salvatore family home.