The second season of Person of Interest finds billionaire tech genius Harold Finch (Michael Emerson and his partner, ex-CIA operative John Reese (Jim Caviezel) find both their anonymity and their careers escape when adversaries from their past attempt to dismantle their good work. Elsewhere, NYPD Detectives Carter (Taraji P. Henson) and Fusco (Kevin Chapman) become further involved in the police conspiracy known as "HR".