Former US Special Forces bomb expert Stephen Arthur Young (Michael Sheen) is heading for a dangerous path. As a Muslim, he is dissatisfied with the US policy towards Arab countries, so he plans to launch a terrorist attack. He claims that three small atomic bombs were placed in three cities, and the US mainland is in danger. FBI Counterterrorism Department female agent Helen Brody (Carrie-Anne Moss) is responsible for investigating the case, but at a critical moment, she finds that the military and a mysterious department are involved. Her team, together with the extremely dangerous negotiator Henry Humphreys (Samuel L. Jackson), was ordered to interrogate Stephen. Henry, nicknamed H, is cruel and harsh, and he is more fearless with the connivance of senior government officials. Helen is disgusted with such inhumane and illegal means. She tries her best to win Stephen's trust and finally makes him tell the secret visit location of one of the bombs. However, everything is not so simple, and the frenzy of death and conspiracy hits immediately. In this inhumane wrestling match, there is no winner...