Is set 18 months after Season 3 ended. It begins at 7:00 a.m. Jack must save the lives of his new boss, Secretary of Defense James Heller and his daughter Audrey Raines when they are kidnapped by terrorists. However Habib Marwan uses this as a disguise to launch further attacks against America, and Jack is forced to use unorthodox methods to stop him, which results in long-term consequences for both Jack and the United States.