Baez's estranged brother is the primary suspect in a homicide, and a woman who may have had a hand in her husband's death.
Walker's Washington contact is identified by Carrie and Saul, but the target is protected via diplomatic immunity. Meanwhile, political bigwigs approach Brody about running for a disgraced congressman's seat.
Tony B. and Christopher unearth some old memories; Tony and Carmela plan another party; Janice is sent to anger management therapy.
When the government accuses a member of the council of taking a campaign bribe, the team reviews hours of evidence to mount his defence.
As Peter and the city of Chicago prepare for a possible riot, Frank Prady and Alicia face each other in an important debate.