Jongmalui Babo plot
An asteroid is on course to collide with Earth within 200 days and destroy the planet. The world soon hears of the news and panics. Jin Se-kyung works as a high school teacher in Woongchun City. She learns about the impending end of the world. She decides to quit her job and volunteer at a children's and youth department at city hall. Her boyfriend is Ha Yoon-Sang. He currently works as a researcher at a biotechnology research institute in the United States. After the news of the end of the world is released, he flies back to South Korea to be with Jin Se-kyung.