When Jihyo was a 10 year old girl, she saw a strange black swan at Jeju Island. However, her parents and her friends parents doesn't approve. They heard rumors about seeing a black swan which brings bad luck in the island. Jihyo was reminded. One time the swan was injured by her wing. Jihyo met the black swan by the seaside of the beach and help bandaged her by Jihyo's favorite red ribbon. She doesn't want to let her parents find out. Somehow, Jihyo and the swan has a strong connection