Jamie and Danny disagree about how to handle a reckless NYPD rookie, Marcus, who is the son of Danny’s friend.
When Colin Sweeney accuses a television producer of basing an unflattering character and show on his life, Diane and Cary must prove that they are capable of handling his case as Alicia focuses on the race for State's Attorney. Also, Alicia competes against Frank Prady for a major campaign donation. Ed Asner guest stars.
Sherlock and Joan team up with the NYPD to investigate the murder of a police officer; Sherlock looks for a blogger who has been publishing statements he made at sobriety meetings.
Bull and J.P. Nunnelly clash over their client, a computer cloud company that is battling the FBI to retain privacy over its client files, on the first of three cases to repay her for defending his brother, Benny at trial.
Finch goes undercover in an emergency call center to protect a 911 operator, but it soon becomes clear that the threat reaches further than the team anticipated.