Min Yoo Jung, a 25-year-old woman, dreams of becoming a successful pop music composer. However, her musical aspirations are far from becoming a reality, and she spends her evenings singing on the streets. Her life takes a strange turn when Park Yeon, a talented musician from the Joseon dynasty (1392-1910),is transported to the present day and meets Min Yoo Jung. He offers to help her with her musical mission. But he is not the only time traveler to visit her. Lee Won, a talented singer, also travels from a distant past and befriends her. Things become even more complicated when Jung Do Young, an entertainment industry expert, uses his own powers to connect with the past and uncover Park Yeon's secrets.