Kim Yongsun has been in the lowest moment of her life and she gets to the point of thinking of ending it. However, her neighbor has the radio on and she listens to important words coming from the dj and that affects her deeply.

From that occasion on, the female has a daily symbolic date with the mysterious owner of that warm and charismatic voice and she feels new energy to live.

Yongsun gets the courage and call the radio station and succeeds at talking with DJ Moonbyul, which will make her develop a crush.