Person of Interest's Shaw better get used to her new day job. On the Season 4 premiere Finch (Michael Emerson), Reese (James Caviezel), Shaw (Sarah Shahi) and Root (Amy Acker) try- key word: try- to adapt to the new identities (and mundane jobs) protecting them from Samaritan. In our exclusive clip below, Shaw isn't so keen on spraying perfume at the local department store.