A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.

Our heroine will have the unfortunate ability to see the “life clocks” of everyone around her, including herself, and the hero will somehow be able to stop her “time” without lifting a finger. This story will follow time that is stopped, extended, and even erased through the love they have for each other.

The story is about a boy, Lee Sin, who is popular in his High school for his band team- "The Stupid", and a girl, Lee Gyo Won, from the same institution, who is devoted to traditional Korean music. Lee Sin's father, Lee Hyun Soo was a popular guitarist during his time but is now in the verge of death because of drug addiction; which was also the cause of his separation with Song Ji Yeong (Lee Sin's mother) a long time ago. The female lead, Lee Gyo Won's grandfather, Lee Dong-jin is one of the top 3 traditional musicians of his age and his biggest wish is to see his granddaughter become a traditional music prodigy. He is strictly against modern music because he believes that it misleads the tradition. The high school comes up with "The 100th Year Anniversary" where students get the opportunity to show their skill. Now, will Lee Sin be able to prove his skill in modern music like his father did? And will Lee Gyo Won be able to keep up her grandfather's expectations? Or something else is...