Millie starts a new job as a housemaid for Nina and Andy Winchester, not knowing that her new start means working for a family with more dangerous secrets than her own. One day Millie tries on one of Nina's pristine dresses, wondering what it must be like to live a life like Nina's but when she is discovered she realizes her bedroom in the attic only locks from the outside. She reassures herself that the Winchesters have no idea who she really is... or what she's capable of.