Amy Acker, Sarah Shahi

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. But as Root tells her, they must trust the machine.

Scoop on returning shows

Watch:

Person of Interest returns Tuesday, Sept. 23 at 10/9c on CBS.

[Full Disclosure: CBS owns TVGuide.com]