Bull and the TAC team must call upon all their collective experience to locate Bull’s kidnapped daughter, and the abductor warns them not to go to the police. As Bull works to build the most important psych profile of his life, he begins to suspect the captor is someone connected to his past.

TAC’s defense strategy for a client on trial for going public with classified governments under the Espionage Act is compromised when Bull experiences emotional turmoil following his daughter’s kidnapping. As Bull grows increasingly agitated, the team faces a difficult time in court when federal law leaves them unable to tell jurors their client’s motive for leaking the sensitive information.

Bull contends with a biased jury pool when TAC represents a man charged with his high school girlfriend’s murder after a docuseries depicts him as the prime suspect in the decades-old homicide.

Bull faces uncertainty in court, when TAC handles a class action suit against a vaping company selling malfunctioning devices, and the trial outcome hinges on just one juror. Marissa takes the initiative when Bull ignores TAC’s growing financial difficulties.

The TAC team asks Bull to step aside, when they fear his recent issues could negatively affect their defense of a business mogul accused of being mentally unfit to lead his company.

Bull and the TAC team are under pressure when they have just two days to prepare a defense for a midwife accused of practicing without a license. With time running out, the team tries to convince the private religious community of women their client helps to serve as character witnesses.

Bull’s legal troubles go from professional to personal when new evidence in his bribery trial implicates his wife, Izzy. Also, the TAC team’s efforts to assist Bull in court are thwarted by his attorney, who fears they will cross a legal line to help their boss.

Bull needs a Christmas miracle when he takes on a sports agency’s young assistant charged with providing a star client lethal drugs.

Bull helps a grieving mother, Vernice, sue the developers of a computer program that misidentified her son as a criminal, leading him to be fatally shot by the police. Also, Bull and Marissa clash when she considers a job offer from a rival company.

Bull and Chunk aim to prove that their client, a woman on trial for murder, committed the crime due to a lack of behavioral control caused by a brain tumor; Taylor is suspected by the FBI of committing cybercrimes.

The TAC team finds itself in a tense and unprecedented situation when Bull faces off against Marissa and her new boss in court, following her departure from the company. Also, Taylor's professional life works against her during her custody battle with her ex-husband.

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.

Bull helps his friend, Army psychiatrist Colonel Victor Taggert, mount a diminished capacity defense for a sergeant accused of killing a fellow soldier. Also, Marissa forges a romantic connection with her art dealer, Henri Fray, a French gallery owner in need of legal assistance to stop an auction house from selling a piece of art that should be repatriated.

Bull takes a frustratingly passive role in court during a medical malpractice suit, when he helps the surgeon who saved his life after his heart attack and must defer to her browbeating attorney on trial strategy. Also, Taylor fights the urge to check into the background of Henri Fray, Marissa’s new love interest.

Bull and Izzy experience marital discord when Bull has TAC lead the defense for Diana Lindsay, his ex-girlfriend who’s accused of killing her lover’s wife. Also, personal conflicts abound for the TAC team when Chunk finds himself defending Diana in court against his boyfriend and prosecutor, Robert.

Izzy hires Bull and TAC to defend a jockey accused of committing arson against a stable owner who fired him.

Bull puts aside his personal grievances to help AUSA Reilly, who prosecuted him for jury tampering, bring one of the world’s most dangerous drug lords to justice. As the pair enter into a hesitant partnership, Bull’s unconventional style clashes with the lawyer’s commitment to working by the book.

When Bull is sidelined with a back injury, Marissa and Chunk are forced to go to court without him to defend Marissa’s closest childhood friend, Kyla, a tech CEO accused of wrongfully terminating an employee. Also, Danny contemplates what she wants out of life following a near-death experience.

Bull breaks from the stress he's been under for months when a mysterious delivery causes him to blackout for hours, leaving him with no memory of his movements.

When Bull handles the negligent homicide defense of a building owner accused of killing tenants by carbon monoxide poisoning, the case rocks Bull and the TAC team to their core. Also, TAC’s trial defense is made more difficult when the ADA prosecuting the case is Chunk’s ex-boyfriend, Rob Jones, someone very familiar with Bull’s tricks; and Taylor is forced to reevaluate her work-life balance when she gets shocking news about her son.

Bull and the team head to court one last time to finalize a negligent homicide defense that will change the nature of their company and their lives forever.