Eun-soo and Eun-ha, a couple, left of the popular music production company to shout their individuality and form a Milky Way band with Dong-eun. Meanwhile, Dong-eun, who was investing to earn living expenses, even invested the band's money, but failed.The rest of the members, angry at Dong-eun who disappeared, sell the guitar that means a lot to Dong-eun... Dong-eun returns and goes on a journey to find a guitar.
King Hyeonjong and Kang Kam-chan led the 8-year-long 2nd and 3rd Goryeo-Khitan Wars to victory and began an era of peace in East Asia and prosperity in Goryeo.