Dr. Jason Bull, the brilliant, brash founder of a prolific trial consulting firm, combines psychology, human intuition and high tech data to create winning strategies that steer high-stakes trials in his clients’ favor.

Dr. Bull and his Trial Analysis Corporation (TAC) team must formulate a new defense strategy when they discover the jury has a subconscious gender bias toward their client, a female pilot accused of negligence after one of her flights crashes.

Bull and his team tackle jury bias against their client, a woman on trial for the murder of a star athlete she very publicly accused of assaulting her. Also, the case brings Benny face-to-face with his former flame, Amanda, a fellow attorney he hasn’t seen since their breakup

When Bull and Trial Analysis Corporation (TAC) help a young woman fight a drug patent lawsuit, they’re forced to travel to Callisto, the small Texan town where Bull suffered the only trial loss of his career.

When the parents of a murdered socialite attempt to hire Bull to help prosecute their daughter's working-class fiancé for the crime, Bull turns down a major payday when he chooses to help defend the fiancé instead. Also, Marissa, Cable and Danny try to convince Chunk to let them investigate the new guy he wants to date.

Bull must find a way to reverse the negative effect his egomaniacal client, a surgeon with a God complex being sued for malpractice, has on the jury. Also, Bull hires Liberty Davis, a previous client’s attorney, when he decides Benny may not be sympathetic enough to the jurors.

As Bull assists a man facing vehicular manslaughter charges, he uncovers a connection between his client’s trial and a corrupt state assemblyman who would greatly benefit from a guilty verdict. Also, Danny and Cable team up to investigate why Marissa is suddenly acting and dressing differently.

Bull’s efforts to assist with his ex-wife Isabella Colón’s defense in a wrongful death lawsuit are hindered by unresolved issues from their marriage and her longstanding rift with her brother, Benny.

Bull confronts his past when he returns to his childhood home to assist in the arson defense of a young man whose contentious ties to the town mirror Bull’s own.

When Bull assists CEO Ginny Bretton, whose company is accused of killing an employee with its self-driving car, he discovers his client is keeping a major secret that could sabotage a trial win

An attorney for one of Bull’s former clients, Liberty Davis, asks him to consult on a couple’s civil suit against a teacher who had a sexual relationship with their son. However, his trial strategy suffers a major setback when the teen switches to the teacher’s side.

The wife of a man who Danny helped imprison for manslaughter detonates a bomb at the TAC offices and takes the team hostage in order to force Bull to prove her husband’s innocence.

When Bull helps a professional eSports video game player accused of throwing a championship game sue his former team manager for defamation, his trial strategy is to prove his client is a compulsive winner who is psychologically incapable of losing on purpose.

When Bull has Benny defend a whistle-blowing army analyst, Lt. Tamsin Dale, who is being court martialed, the case causes trust issues between them after Benny won’t share redacted government secrets with the rest of the team. Also, Marissa forces the office to work without its usual technology to avoid being hacked during the case.

When Bull assists the U.S. Attorney’s Office with a manslaughter trial against a real estate magnate, Andrew Withrow, he finds himself once again opposing Diana Lindsay, his romantic rival. As the case gets underway, Bull’s penchant for winning goes into overdrive when he realizes the defendant is a clinical sociopath determined to use Diana to antagonize him during the proceedings.

When a state governor and the co-owner of a skydiving company die during a jump, Bull helps the co-owner’s brother, Max Hyland, and daughter fight a lawsuit filed by the governor’s widow by trying to find who sabotaged the parachute. Also, Bull and his frequent trial collaborator, Liberty Davis, find themselves on opposing sides in court for the first time.

When Bull fronts the money to help thousands of people bring a class action suit against a corrupt bank, he stands to lose his business if he doesn’t win at trial. Also, Benny hurts the case when he’s distracted by his attraction to a client and his anxiety over a secret he’s keeping from Bull,

Bull and Chunk’s bond is tested when Bull helps the prime suspect in the murder of Chunk’s fashion mentor, Nella Wester, a model-turned-designer who was killed during her own runway show.

When Bull assists Jules Caffrey, a high-powered attorney on trial for his fiancée’s murder, he takes advantage of his client’s penchant for courtroom theatrics by letting him defend himself.

Bull aims to prove temporary insanity at a murder trial for his client, Troy Dickerson, a young man he believes was brainwashed by a cult-like spiritual learning center to kill his father. Also, Danny and Chunk go undercover at the learning center to find the perpetrator responsible for their client’s reprogramming.

Bull makes a deal with top criminal attorney J.P. Nunnelly to defend Benny when he goes to trial for misconduct in a case related to his former career with the District Attorney’s office.

Bull works with J.P. Nunnelly on the first of three cases to repay her for defending his brother, Benny, at trial. However, they clash over their client, a computer cloud company that is battling the F.B.I. to retain privacy over their client files that could help identify the source of a recent eco-terrorist attack.

Bull and the Trial Analysis, Corp. team travel to Miami with J.P. Nunnelly to work on a controversial drug trafficking case in which both the clients’ and the jurors’ lives are in danger.