When a morning show host is murdered inside her home, the team track the killer; things become awkward for Scola when agent Nina Chase becomes part of the team during Maggie's recovery.
Bull mounts the defence of an old college friend who is charged with negligent homicide after his youngest child kills his eldest with his handgun.
Bull and the team worry about jury bias when Bull mounts a murder trial defence for a Black Lives Matter activist.
A wedding brings the Hill together where Eileen reconnects with some old friends; While Tommy is forced to choose between saving his brother or saving himself, Declan questions his loyalty towards a corrupt Tommy.
Flashbacks to 12 years earlier reveal how Bull's attempt to get a new trial for a wrongly convicted prisoner inspired him to work in trial science.
