Bull risks losing his business when he fronts the money to help thousands of people bring a class action suit against a corrupt bank; Benny hurts the case by his attraction to a client and his anxiety over a secret he's keeping from Bull.
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.
Bull tries to prove temporary insanity for a client who was brainwashed by a cult-like spiritual learning center to kill his father; Danny and Chunk look for the perpetrator responsible for their client's reprogramming.
Bull agrees to consult on three cases for criminal attorney J.P. Nunnelly in exchange for her help defending Benny, who is on trial for misconduct related to his former career with the District Attorney's office.
Bull and J.P. Nunnelly clash over their client, a computer cloud company that is battling the FBI to retain privacy over its client files, on the first of three cases to repay her for defending his brother, Benny, at trial.
Bull and the 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.
Tensions run high when Bull faces off against an old romantic interest who is defending a widow claiming self-defense; Chunk makes a decision about his future.
A man who believes himself to be the brother of Dr. Tara Lewis arrives in town, knowing everything about Tara's family; Tara is unable to make contact with her real brother.
While conducting a profiling course on his birthday, Rossi gets a call from serial killer Tommy Yates, who gives him the location of his latest victim.
The BAU investigates when a bizarre hieroglyph is found under a deceased homeless man's armpit; Reid decides to take his mother out of a clinical study early to bring her home.