On March 2, the President of South Korea is attacked in a marketplace. Han Tae Kyung, an agent who did not prevent the attack, learns that the President will be assassinated in three days' time.
Tae Kyung is immediately suspected for being an accomplice in the president's assassination, but he figures out the truth more quickly than anticipated, putting him in immediate grave danger.
With Bo Won's help Tae Kyung discovers more clues about his father's death and how it's connected to the president's assassination. Cha Young believes that the Chief of Secret Service is involved.
The Blue House reveals the news of the assassination attempt to distract from the news of the Yangjinri attack. Tae Kyung discovers that the witnesses to the assassination attempt are getting killed off one by one.
Tae Kyung's faith in the president wavers, but Bo Won's demand for truth and justice inspire him to locate the last witness involved in the Yangjinri incident.
The corrupted officials and henchmen who have been working for Kim Do Jin are rounded up. President Lee goes missing once again, but unearths Chairman Kim's disastrous plan for Yangjinri.