Scott becomes infatuated with his coworker Natalie. He grows jealous watching her flirt with another coworker, Glenn. At work, Scott is reprimanded by his boss for not being productive. Later, Scott notices Natalie has plans for dinner with Glenn. Alone at home, Scott tears down photos of Natalie on his wall but keeps one. He begins stalking and breaking into Natalie's home, stealing a lock of her hair and intruding while she sleeps.