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.