Woo Seo Ri, a violin prodigy who was about to study in Germany when was 17, when she got into a severe car accident and fell into a coma. Thirteen years later, she wakes up from her coma. Mentally she is still only 17-years-old, while physically she is now 30.
Gong Woo Jin is a 30-year-old single man who works as a set designer. Due to a trauma he experienced 13 years ago, he does not want to have a relationship with others.
This series is about a man and a woman whose lives have been mangled due to a grisly accident. Together, they use all their might to try and open the door of happiness that they once thought had been closed to them.