Somyi loses her lover, Maru, and lives a hopeless life ahead of her wedding. Then, a mysterious shaman, Yeon-hwa, appears in front of her. 'Kang Maru, do you want to see him again?' With the power of her softening, Somyi returns to her past four years ago overnight, but... A completely different Maru appears in front of Somyi, and everything goes wrong for Somyi, who returns to her past, one year earlier before her and Maru originally met.