
Dr. Jason Bull is the charming and cocky founder of successful trial consulting firm Trial Analysis Corporation, where he and his team of experts employ psychology, human intuition and high-tech data to understand jurors, lawyers, witnesses and defendants, and construct effective narratives to help their clients win. Bull's team include his brother-in-law Benny, neurolinguistics expert Marissa, former detective Danny, hacker Cable, and Chunk, who helps perfect clients' appearances for trial. "Bull" is inspired by the early career of Dr. Phil McGraw, who also serves as executive producer.

When a damaging secret is revealed, Bull worries he can't convince a jury his religious leader client didn't kill his wife.

An emergency room doctor is sued for malpractice after she ignored direct orders to save one near-death patient in favor of helping another who was also critically injured.

Bull and Benny mount a difficult federal trial defense for a young mother accused of aiding and abetting her extremist husband in an act of domestic terrorism; Benny's commitment to TAC complicates his burgeoning political career.

Bull heads to federal court for a client accused of stealing his own scientific research from the company he works for, a corporation he says buried his groundbreaking work because selling medication is more profitable than curing diseases.