Princess of romance, Hwi-Kyung. The handsome, wolf-like, Three Musketeer guys who run to Hwi-Kyung wherever she is.<br />They make a secret promise without Hwi-Kyung knowing. If one of them starts to love Hwi-Kyung, their friendship will shatter.<br />A no-love oath.<br />The prince of confidence, Yoon Suh-Rin's, charm!<br />Te-Ri, who became a two-timer because he loved Hwi-Kyung!<br />And the one who hid his love for Hwi-Kyung's happiness, the charismatic Jo Hwan-Sung's sad love story!