As Christmas approaches, Bull is amused when he meets a 9-year-old girl who wants to hire him to help her divorce her parents, but he’s shocked when a judge appoints him her temporary guardian. Also, Marissa discovers disturbing information about her boyfriend, Kyle.

Bull uses the First Amendment's freedom of speech to defend a controversial news commentator blamed for a man's suicide after she accused him on air of murder

The TAC team gets a rare glimpse into Bull’s personal life when his estranged brother of 13 years, Jacob Bull, unexpectedly arrives in New York. Also, TAC represents a financial investor accused by the FBI of running a Ponzi scheme with his father to defraud their clients of millions of dollars.