The first segment of the film, staged in romantic comedy style, introduces the protagonists, a woman named Su Jin and a man named Chul Soo. The movie highlights their accidental meeting in a convenience store and confusion over a can of soda, followed by their subsequent courting despite the social standings that should have kept them apart.
The second segment follows the couple now settling into married life. Su-Jin learns to be a housewife as her husband cares for her. But as the segment progresses, Su-jin begins to display forgetfulness, including an incident in which a fire breaks out because of a forgotten stove. While Chul Soo caught the fire in time, the seriousness of the incident and others draw them to seek medical help.