Bull assists Chunk as he represents a convict from his law school’s legal aid clinic, a woman accused of killing a guard while trying to escape during a prison transport. While the prosecution alleges the woman shot the guard as she tried to flee, Chunk argues that she is being falsely accused by a guard who attempted to sexually assault her during the transport.

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

Izzy puts the brakes on her wedding to Bull after he jeopardizes Benny’s election campaign by handling the defense in the corruption trial of the former District Attorney that Benny hopes to replace. Season finale.

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.

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 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.