The Matobos are brought to Dubaku's hideout inside an office building. Meanwhile, Renee helps Jack, Tony and Buchanan infiltrate the building where they have tracked Matobo.
At the FBI, Janis looks for potential firewall breaches and she sees weird activity over Kidron, Ohio. She calls the plant manager at a chemical plant there, and he mentions that his he has lost control of safety valves on toxic insecticide tanks. When he tries to shut down the tanks, they do not respond. Janis tells him to evacuate the premises. The President is briefed that half the town of Kidron would be killed by the plant leak.
Janis pulls up the operating procedures of the tanks and walks the plant manager through releasing pressure on the valves. Unfortunately, it leaks the insecticide into the sealed room where the plant manager is. He sacrifices himself to save his workers.
Dubaku sees Jack and Tony entering his building. Fearing he will be caught, he orders the CIP module to be disengaged so that they can escape. At the FBI, Sean sees the firewall breach close. Janis notifies the plant manager, who says that the tanks are shutting down. Yet he is already infected and dies on the scene.
Jack, Tony and Buchanan raid Dubaku's hideout in a shootout. Renee rescues the Matobos. The CIP device is destroyed. Dubaku grabs Latham, the captured engineer who built the CIP device, and rigs him with explosives. When Jack and his team find Latham, Dubaku sets off the bomb and escapes from the building.
Ethan Kanin is annoyed because he cannot get in touch with Agent Gedge or Henry Taylor. With the national security threat still in place, Ethan reluctantly tells the President that her husband is missing after trying to drudge up information on their son's death.
Agent Vossler hears the Secret Service radio alert for Gedge and tries to call him. The ringing wakes Henry. Vossler holds Henry at gunpoint. Dubaku calls Vossler and orders him to bring Henry to him alive.
Jack convinces Buchanan that they need to bring in help from the feds to find Dubaku. He believes that Matobo can help them access President Taylor because they don't know who else they can trust. Matobo calls the President and asks to meet her privately at the White House. She is confused, but agrees.
Jack is surprised when Tony leaves instead of accompanying him with the Matobos.
Dubaku arrives at his apartment and there's a knock at the door. It is his girlfriend, an American woman named Marika, who calls him "Samuel." He hides his gun. She reminds him that he is supposed to come to her place for dinner. When she leaves, Dubaku calls Vossler to arrange for Taylor to be brought to him.
[Edit]
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