Seolhyun and Hyejong are not meant to be. They're anything but that: Seolhyun is a struggling student who can't make ends meet and Hyejeong is a cancer patient who needs to find a replacement for her failing lungs. But when they find each other in the middle of their crumbling worlds, they fall for each other – only, how can they ever be together, when destiny has them severed apart?