After the assassination of President Park, martial law has been declared. A coup d'état bursts out by DefenseSecurity 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.
A successful lawyer who, in order to save her daughter, is pressured into defending the innocence of a man slated to receive the death penalty.
Jae-hee, who left as a college student, and Seo-ha, who got a job at a company in a local small city, are high school alumni. Seo-ha meets and loves Yoon-soo, the company's president's son, but Yoon-soo is engaged to Jae-hee, whom he met on the train, and goes to the U.S. to study. Seo Ha, who overcame his wounds and went to drug abuse in the provinces, shows a static situation, but after joining the military, he sends news of his participation in the Vietnam War. After graduating, Seo Ha gets a job at a big pharmaceutical company with the help of Yoon Soo. Seo Ha gets into a car accident in a meeting where she declares her last to Yoon-soo, who persistently wants her due to her breakdown with Jae-hee. Seo Ha, who married Jeong Tae, who returned from Vietnam, eventually died of cancer, leaving her son Young-jin behind.
Hye-rim is a model prisoner serving out her sentence for murder. With two years left to go, she gets a special outing. Hye-rim gets on a train to Kang-reung to visit her mother's grave. At the place, she meets Min-gi, a young man running away after being involved in a crime organization. Min-gi's persistence melts the heart that was hardened in jail. Hye-rim and Min-gi fall in love.