When Bull joins the district attorney in a case against Kara Clayton, who claims she killed her billionaire husband in self-defense, tensions run high when he learns that his on-again, off-again romantic interest, Diana Lindsay, is defending the widow. Also, Chunk makes a decision about his future.

The DA's office asks Bull to assist them in their prosecution of a fraternity when a pledge accidentally drowns during a hazing incident, but his efforts may be derailed when the students close ranks to stonewall him.