This drama tells the story of secret romance between a woman in her 40′s and a man in his 20′s.

Oh Hye Won (Kim Hee Ae)works as the director of planning for the Seohan Arts Foundation. She is elegant and excels at dealing with other people. Meanwhile, Lee Sun Jae (Yoo Ah In) is a genius like pianist in his 20′s. They will getting involved in a love affair through a piano.