Warrick investigates a drive-by shooting in his old neighbourhood; Nick follows up on the murder of an internet company worker.
Days before a corruption report on the NYPD is revealed, the head investigator is gunned down; detectives look into the death of a taxi driver.
Three United Nations delegates visit: a physician who is similar to Charles, an Army officer who teaches yoga and a Swede who catches Margaret's attention.
Friends' college acceptance letters shatter Cory's plans for the future.
The bank asks the firm to pay off its loan, forcing Nick to collect fees from delinquent clients; Lulu's estranged father returns to ask for money.