The President of South Korea goes on holiday at a private villa. In the middle of the night, three gunshots are fired, and the president goes missing. His bodyguards, led by elite agent Han Tae-kyung, have three days to find the president and escort him safely back to the Blue House.

Three Days follows the intertwining fates of those sworn to protect the president, the president himself, his political staff, and the true power players in the shadows who decide whether he lives or dies.