The FBI searches for the man responsible for a chemical attack on a subway; Liz wants to avoid Red after he implicated Tom.
Red thinks the Kingmaker (Linus Roache), a strategist, is responsible when a politician in Prague is framed for murder; Liz uncovers a secret Red has been hiding.
When a lack of evidence leads Barba to drop rape charges against a popular actor; Rollins takes matters into her own hands.
