Chappelle threatens to pull Jack from the investigation for killing a material witness, but Jack persuades him to hold off when they find a fresh lead on Amador's whereabouts. Amador and Alvers meet with the man who is planning to unleash the virus in LA within the hour. Michelle and Gael locate the target area, but things really hit the fan when they attempt to capture Alvers in the process of releasing the virus. Wayne argues with Sherry over the consequences of Milliken's death as the police turn up the heat on Julia.