Reese is captured by a former acquaintance planning a massive and potentially deadly act of cyber-warfare.
Elizabeth tries to reunite the son of the Colombian president and the daughter of the rebel leader, whose upcoming marriage is at the heart of an important peace deal; Henry prepares to send his operative under cover.
Elizabeth and President Dalton head to Rome for the G20 Conference; Henry is sent to Israel to intercept the doomsday cult's bio-weapon; Blake reveals a personal secret to his former colleagues.
When warring rebel groups threaten Somali food relief efforts and kidnap an American aide, Elizabeth considers asking a notorious Russian arms dealer for help; Henry is taken off the VFF doomsday cult case.