After learning the latest person of interest (Alan Dale) has connections to Cold War Soviet espionage circles, Reese and Finch learn how covert operations used to be handled.
After a financial scam destroys the reputation of lawyer Maia Rindell, while wiping out her mentor and godmother, Diane Lockhart's, savings; Maia and Diane join one of Chicago's preeminent law firms.
Malcolm spends all his free time with his new girlfriend and her family; Lois wages war on a pizza parlor that has been overcharging her.
As President Dalton and Elizabeth try to solve the Greek debt crisis, not everyone is satisfied with the agreement; Henry considers a job offer; Stevie reconnects with a childhood friend.
An explosion injures a pregnant guard and exposes a scientist's controversial research.