After the assassination of President Park, martial law has been declared. A coup d’état bursts out by Defense Security Commander Chun Doo-gwang and a private band of officers following him. Capital Defense Commander Lee Tae-shin, an obstinate soldier who believes the military should not take political actions, fights against Chun Doo-gwang to stop him. The conflict between the two grows while military leaders are holding their decision and Defense Minister is gone. In the midst of chaos, the spring of Seoul that everyone longed for heads to unexpected direction.
While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.
Middle-aged lesbian couple Geumja and Yeo-ok receive a call in the middle of the night about the death of Yeo-ok’s ex-husband. They travel a long way to their hometown for the first time in 20 years, but they are unwelcomed guests at the funeral.
Same-sex couple Eun-soo and Ye-won are living together happily. One day, a terrible traffic accident occurs and Eun-soo is seriously injured and her sister Eunhae dies. Eun-soo is disabled and Eunhae's daughter Soo-min became an orphan. Now Eun-soo and Ye-won are in a position to take charge of Soo-min.