Bull gets to work alongside his idol, Walter Franklin, a legendary lawyer who asks him to help a family bring suit against the U.S. government for the wrong death of a man killed while in witness protection. As the trial gets underway, Bull's admiration for Walter is tested when the eminent litigator begins to deviate from Bull's advice in court.

Bull and the TAC team represent a teen boy raised in complete isolation when the young man goes on trial for murder after engaging in a deadly shootout. As the trial gets underway, Bull looks to select jurors who believe his sheltered client acted under the misguided influence of the only other person he has ever known, his survivalist father.