Joo-Yeon, So-Jin, Hyun-Mi and Sun-Hee graduated from the same high school and have been friends for many years. They get along well, but they don't open up their hearts to each other. Joo-Yeon is an ordinary office girl. So-Jin has been preparing for her public officer exam for 4 years. Hyun-Mi doesn't have any dating experience. These three have also been disconnected from Sun-Hee for a while. One day, they receive a pictore of a rose and they meet for again after a lengthy hiatus. Joo-Yeon, So-Jin and Hyun-Mi are all there, but Sun-Hee has yet to appear. The three friends begin to talk and they start to say mean things about Sun-Hee. Because of her unattractive appearance, Sun-Hee has been alienated from the other girls. Suddenly, Sun-Hee appears and she looks totally different.
When the crew of the Enterprise is called back home, they find an unstoppable force of terror from within their own organization has detonated the fleet and everything it stands for, leaving our world in a state of crisis.
When the White House (Secret Service Code: "Olympus") is captured by a terrorist mastermind and the President is kidnapped, disgraced former Presidential guard Mike Banning finds himself trapped within the building.